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  • John C. Coffee, Jr.: Event Contracts and Prediction Markets Comment bubble 3 By John C. Coffee, Jr.
  • Leveraging Information Forcing in Good Faith By Hillary Sale
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Columbia Law School's Blog on Corporations and the Capital Markets

Editorial Board John C. Coffee, Jr. Edward F. Greene Kathryn Judge

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securities fraud

The Supreme Court Misses an Opportunity in Securities Law Enforcement

By Andrew Vollmer July 18, 2019 by renholding

In Lorenzo v. SEC, the U.S. Supreme Court continued the struggle to define the difference between primary liability and aiding and abetting liability in Rule 10b-5 and other securities fraud claims.  The difference matters because private plaintiffs do not have …

Insider Trading and the Myth of Market Confidence

By John P. Anderson October 10, 2018 by renholding

Promoting public confidence in securities markets is a policy goal that is frequently cited by commentators, Congress, the courts, regulators, and prosecutors for the adoption and vigorous enforcement of insider trading laws.

For example, in the seminal insider trading case …

Sense and Nonsense About Securities Litigation

By Richard A. Booth June 4, 2018 by renholding

In a forthcoming article, I contend that Professor James Spindler has it wrong in his recent critique[1] of scholarly opposition to securities fraud class actions (SFCAs).  Spindler argues that the opposition is based on two mistaken ideas: (1) that …

Cleary Gottlieb Discusses Second Circuit’s Reversals of RMBS Trader’s Fraud Conviction

By Robin M. Bergen, Joon H. Kim, Rishi N. Zutshi, Nowell D. Bamberger and Alex Janghorbani May 11, 2018 by renholding

On May 3, the Second Circuit vacated on evidentiary grounds Jesse Litvak’s conviction – after a second trial – on a single count of securities fraud related to trades of residential mortgage backed securities (“RMBS”) and remanded the case to …

Insider Trading’s Legality Problem

By Miriam H. Baer May 1, 2018 by renholding

Last year, when the Supreme Court revisited the topic of insider trading in Salman v. United States, scholars rehearsed a familiar debate: Should Congress enact a statute that explicitly defines insider trading? Or should it stick with the status …

Does Conservative Reporting Deter Securities Class Action Lawsuits?

By Michael Ettredge, Ying (Julie) Huang and Weining Zhang February 8, 2018 by renholding

The number of accounting-related class action lawsuits has increased in recent decades, imposing billions of dollars of direct and indirect costs on public companies and, eventually, their shareholders each year. Although accounting theory says that litigation risk generates accounting conservatism …

How Investor Attention Affects Fraud Discovery and Value Loss in Securities Class Actions

By Anna Abdulmanova, Stephen Ferris, Narayanan Jayaraman and Pratik Kothari September 19, 2017 by renholding

A securities class action is a complex event characterized by scarce information, high uncertainty, and increased information asymmetry between stakeholders and firms.  In our paper “The Effect of Investor Attention on Fraud Discovery and Value Loss in Securities Class Action …

Simpson Thacher Discusses Combating Securities Fraud Allegations With10b5-1 Trading Plans

By Yafit Cohn and Karen Hsu Kelley August 10, 2017 by renholding

A recent decision issued by the United States District Court for the District of Massachusetts, Harrington v. Tetraphase Pharmaceuticals, Inc., highlights the value of established trading plans in defending against securities fraud allegations.[1] These trading plans, which are …

Insider Trading: Personal Benefit Has No Place in Misappropriation Tipping Cases

By Merritt B. Fox and George Tepe July 25, 2017 by renholding

The Supreme Court’s decision last December in Salman v. United States[1] settled important issues concerning Rule 10b-5’s reach over trades based on a tip of confidential material information. One important question, however, remains unanswered: In tipping cases based on …

1 Comment  

Skadden Discusses How Second Circuit Raised Bar for Class Certification in Petrobras Securities Case

By Boris Bershteyn, Jay B. Kasner and Scott D. Musoff July 12, 2017 by renholding

On July 7, 2017, the U.S. Court of Appeals for the Second Circuit offered significant guidance regarding the circuit’s class certification requirements in In re Petrobras Securities, No. 16-1914. In addressing an issue of first impression, the Second Circuit …

The Shifting Purpose of the Rule 10b-5 Private Right of Action

By Amanda Rose June 27, 2017 by renholding

Private Rule 10b-5 lawsuits have inspired volumes of academic literature, much of it focused on the suits’ social benefits (or lack thereof, depending on the author’s perspective). In a chapter for the forthcoming Research Handbook on Representative Shareholder Litigation, I …

Reviving Shareholder Reliance in Securities Fraud Cases

By Ann M. Lipton June 12, 2017 by renholding

To be a public company in the United States is to be subject to an array of federally-imposed disclosure requirements. In my forthcoming article, Reviving Reliance, I describe how the private causes of action available to enforce these requirements …

The Supreme Court Meets Lehman Brothers

By Frank Partnoy May 25, 2017 by renholding

The U.S. Supreme Court will soon decide an unusual, yet important, case brought by investors in bonds issued by Lehman Brothers, the infamous investment bank that collapsed in September 2008. The case, CalPERS v. ANZ Securities, Inc., is not …

Will the Supreme Court Expand Silence as a Basis for Securities Fraud?

By Stephen J. Crimmins and James K. Goldfarb April 4, 2017 by renholding

The Supreme Court has long held that “[s]ilence, absent a duty to disclose, is not misleading under Rule 10b-5.”[1]  And such a duty to disclose only arises where necessary to make a statement already made not misleading, thus allowing …

How Not to Write a Class Action “Reform” Bill

By John C. Coffee, Jr. February 21, 2017 by renholding

It was predictable. Given a solidly Republican Congress and a Republican president, sooner or later, an effort would be made in the Trump administration to curb class actions. Not surprisingly, it has come sooner, with the “Fairness in Class Action …

1 Comment  

Counterarguments to SEC Statistical Analysis in Enforcement Actions and Inquiries

By Tiago Duarte-Silva and Nicolas Morgan February 13, 2017 by renholding

In recent years, the Securities and Exchange Commission has focused on using quantitative analysis to identify statistical outliers and anomalies through programs like the Aberrational Performance Inquiry, which evaluates hedge fund returns,[1] and the Accounting Quality Model (informally known …

Salman Insider-Trading Case a Hollow Win for Prosecutors

By Michael Guttentag December 14, 2016 by renholding

The dominant narrative about Salman v. United States, the first insider trading case decided by the U.S. Supreme Court in almost 20 years, is that it was a big win for federal prosecutors. That is only part of the story.…

SEC Chair White Offers a New Model for Enforcement

By Mary Jo White November 21, 2016 by renholding

Good morning and thank you, Dean (Trevor) Morrison (of New York University Law School) for that very kind introduction. It is a pleasure to be here today and I want to thank the NYU Program on Corporate Compliance and Enforcement

…

SEC Investor Advocate Talks Dodd-Frank and Regulation’s Future

By Rick A. Fleming November 17, 2016 by renholding

Today (November 16), we will consider the future of financial regulation and, more specifically, whether the Dodd-Frank Act went too far.[1].  I am I happy to share my views with you, but before I begin, I must give

…

SEC Announces Chair Mary Jo White’s Departure Plans

By Securities and Exchange Commission November 15, 2016 by renholding

Securities and Exchange Commission Chair Mary Jo White, after nearly four years as the agency’s head, today announced that she intends to leave at the end of the Obama Administration.  Under Chair White’s leadership, the Commission strengthened protections for investors …

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Bloomberg
App Bumble Nears $1bn Sale to Ithaca
October 12, 2026
Financial Times
France, Germany Near Car Policy Deal
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Delaware Corporate & Commercial Litigation Blog
Chancery Nixes Advancement Defense
October 12, 2026
Deal Lawyers.com
SEC Section 21(a) Report Questions Climate Coalition Activity
October 12, 2026
Corporate & Securities Law Blog
Nasdaq Files Proposed Rule Change for Market Value Listing Requirement
October 12, 2026
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Trump Backs Dodgy Credit Card Bill
October 11, 2026
Reuters
Nuvacore Funding Implies $2.5bn Value
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The Governance Beat
SEC Guides on Firm Voting Programs
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DOJ Probes Networks’ Trump Coverage
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Delaware Chancery Rules Accountants Confined to Accounting Decisions
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Sixth Circuit Says State Regulators Can Police Prediction Markets
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ISS’ Benchmark Policy Survey Results
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Starbucks Explored Chipotle Takeover
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Chancery Opines on Accounting Experts for M&A Price Adjustment
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Corporate & Securities Law Blog
Third Circuit Revives Fact-Specific Materiality for Securities Fraud Claims
October 8, 2026
Wall Street Journal
Lawmakers Seek Accept-Election Vows
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AI Czar to Visit Silicon Valley AI Firms
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Law Firm Kirkland & Ellis Stops Disclosing Financial Performance
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D&O Diary
Datavault AI Hit with Market-Manipulation-Related Securities Suit
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Earnouts: Reminders of Ordinary Course Covenant Weren’t Interference
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Wall Street Journal
Google, Constellation Energy Strike Sweeping Nuclear-Power Deal
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Dealbook
New Anthropic Challenger Emerges
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FTC Settles Price Discrimination Lawsuit Against Southern Glazer’s
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D&O Diary
Settlement Values of M&A Suits Drop
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Deal Lawyers.com
Earnout Denied, Buyer Wins Damages
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Reuters
New Contracts Help Boeing Turn Page
October 5, 2026
Wall Street Journal
Firms’ AI Outlay Impossible to Budget
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Bloomberg
Colleges Cut Tuition Bills by $20,000
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Financial Times
Reflection AI Boosts U.S. Aim to Compete With Chinese “Open” Models
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D&O Diary
Ryde Hit With New Market Manipulation-Related Securities Lawsuit
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Dealbook
Investors Bet on Brain-Computer Link
October 4, 2026
Financial Times
Wall Street’s IPO Fervor Cools
October 4, 2026
Deal Lawyers.com
FTC Tweaks HSR Second-Request Rule
October 4, 2026
Corporate & Securities Law Blog
Sixth Circuit Narrows Swap Definition, Nixes Sports-Betting Law Preemption
October 4, 2026
Business Law Prof Blog
What PSLRA Safe Harbor Really Means
October 4, 2026
Bloomberg
GOP Mum on Midterm Affordability
October 1, 2026
Reuters
M&A Deal Rush Fades in 3d Quarter
October 1, 2026
The Governance Beat
Tesla, Goldman Tout Retail Shareholder Voting Instruction Plans
October 1, 2026
Financial Times
Wachtell Hires Ex-SDNY U.S. Attorney
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D&O Diary
New Caremark Decision Provides Good News About Bad Faith
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Wall Street Journal
Walgreens Nears Sale of Britain’s Boots
September 30, 2026
The Governance Beat
BlackRock Issues 2026 Voting Report
September 30, 2026
Sidley Enhanced Scrutiny
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D&O Diary
IPOs Up, SPAC Litigation Persists
September 30, 2026
Deal Lawyers.com
Delaware Supreme Court Backs Indemnity for Post-Closing Misconduct
September 30, 2026
Bloomberg
American, Alaska Air to Share Revenue
September 29, 2026
Wall Street Journal
Trump Defends Light-Touch AI Plan
September 29, 2026
Financial Times
Starbucks Cuts Green Goals, Costs
September 29, 2026
D&O Diary
Alphabet Board Hit with Privacy-Related Follow-On Derivative Suit
September 29, 2026
Deal Lawyers.com
Chancery Interprets “Change of Control” in Purchase Agreement
September 29, 2026
Bloomberg
IRS Threatens Crackdown on Array of Wall Street Tax Dodges
September 28, 2026
Dealbook
Safety Issues Could Derail AI IPOs
September 28, 2026
Financial Times
Weil in Crisis After Lawyer Departures
September 28, 2026
D&O Diary
Proxy Season 2026 Returns to Basics
September 28, 2026
Delaware Corporate & Commercial Litigation Blog
Chancery Explains Lawyer Fee Award
September 28, 2026
Bloomberg
Trump, Anthropic CEO to Meet
September 27, 2026
Wall Street Journal
NY Sues Prediction Market Polymarket
September 27, 2026
Dealbook
Clients Eye Cut of Law Firm AI Savings
September 27, 2026
Freshfields' A Fresh Take
Bank Agencies Offer Revamped Third-Party Risk Management Guidance
September 27, 2026
Financial Times
Companies Favor Cheaper “Open” AI
September 27, 2026
Wall Street Journal
MGM Resorts Eyes Diller’s People Inc.
September 24, 2026
Dealbook
AI Safety Concerns Go Global
September 24, 2026
Financial Times
PE Investment May Alter Lawyer Pay
September 24, 2026
Sidley Enhanced Scrutiny
Delaware Chancery Expands AI Focus from Individuals to Governance
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Business Law Prof Blog
What AI Tells Us About Benefit Corps.
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Bloomberg
Disney+ Price Jumps 13 Percent
September 23, 2026
Wall Street Journal
Meta’s New AI Agent Is Instant Hit
September 23, 2026
Securities Litigation & Enforcement
SEC, FDA Create Info-Sharing System
September 23, 2026
Financial Times
Private Equity Ending Up in Limbo
September 23, 2026
D&O Diary
AI-Related Securities Suits Surging
September 23, 2026
Wall Street Journal
Obamacare Enrollments Cut 760,000
September 22, 2026
Financial Times
Anthropic, OpenAI Offer Cheap Models
September 22, 2026
Cleary Securities Watch
SEC End to Pay-to-Play Rule May Not Pay Off for Investment Advisers
September 22, 2026
D&O Diary
Consumer Class Actions Claim Tariffs Wrongly Passed to Customers
September 22, 2026
Deal Lawyers.com
Delaware Chancery Addresses Earnout Provision’s “Procedural Checks”
September 22, 2026
Wall Street Journal
Polymarket’s Rush Enabled Fraud
September 21, 2026
Cooley M&A
Chancery Revives Verisk Deal
September 21, 2026
Financial Times
Settlement Clears Paramount-Warner
September 21, 2026
D&O Diary
Crypto Investors Suit Skirts Dismissal
September 21, 2026
Securities Regulation and Corporate Governance Monitor
SEC Plans to Nix Shareholder Proposal Rule, Change Proxy Solicitation
September 21, 2026
New York Times
Anthropic Goes Ahead With IPO Plans
September 20, 2026
Delaware Business Litigation Report
Chancery Nixes Caremark Action
September 20, 2026
Financial Times
How Big Tech Uses Guarantees to Keep AI Exposure Off Balance Sheet
September 20, 2026
Sidley Enhanced Scrutiny
When the Meeting Minutes and the AI Transcript Don’t Match
September 20, 2026
Corporate & Securities Law Blog
SEC Grants Review of Nasdaq Minimum Listed Securities Value Rule
September 20, 2026
Bloomberg
SEC to Interview Guggenheim Staff
September 17, 2026
Cleary M&A Watch
SEC Guides on Activist Fund Disclosure
September 17, 2026
Freshfields' A Fresh Take
California Enacts a Slew of AI Laws
September 17, 2026
Financial Times
Barclays Staff Slams Return-to-Work
September 17, 2026
Business Law Prof Blog
SEC 14a-8 Rescission Proposal Is Here
September 17, 2026
Cooley M&A
KKR to Pay $250mln for HSR Violation
September 16, 2026
Dealbook
Tech Hardware Is in Vogue Again
September 16, 2026
The Governance Beat
How Shareholder Proposals Fared Over Most Recent Proxy Season
September 16, 2026
Financial Times
Rifts Over Safety at Anthropic, OpenAI
September 16, 2026
Delaware Chancery Law Blog
Delaware Court Trims an Earnout Claim
September 16, 2026
Dealbook
AI Regulation Has Strange Bedfellows
September 15, 2026
D&O Diary
The CVS Case and the Emerging D&O Risks of AI-Driven Performance
September 15, 2026
Sidley Enhanced Scrutiny
Delaware Supreme Court Reverses on Justifiable Reliance in M&A Fraud Case
September 15, 2026
Delaware Business Litigation Report
Chancery Grants Spoliation Damages
September 15, 2026
The Guardian
Private Equity Facing Existential Crisis?
September 15, 2026
Wall Street Journal
Malls Are Real Estate’s Top Performer
September 14, 2026
Delaware Business Litigation Report
Chancery Rules in Mutual Deceit Case
September 14, 2026
The Governance Beat
12 Ways AI Affects Firm Disclosure
September 14, 2026
Financial Times
Warsh and Trump on Collision Course
September 14, 2026
D&O Diary
Eighth Circuit Nixes D&O Coverage of Execs’ Personal Loan Guarantees
September 14, 2026
Bloomberg
Anthropic’s AI Warning Is Too Weak
September 13, 2026
Dealbook
A Start-Up Pay Strategy Proves Costly
September 13, 2026
The Governance Beat
Glass Lewis Outlines New Framework
September 13, 2026
Financial Times
Musk, Altman Also Back AI Slowdown
September 13, 2026
D&O Diary
Turns Out FCA Qui Tam Constitutional
September 13, 2026
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