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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
  • The Dark Side of Safe Harbors Comment bubble 2 By Susan C. Morse
  • John C. Coffee, Jr. – Mass Torts and Corporate Strategies: What Will the Courts Allow? By John C. Coffee, Jr.
  • Compliance’s Next Challenge: Polarization By Miriam H. Baer
  • Will the Common Good Guys Come to the Shootout in SEC v. Jarkesy? And Why It Matters By Eric W. Orts
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Editor-At-Large Reynolds Holding

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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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s&p 500

The Good and Bad of the Revolving Door Depend on Context

By Asaf Eckstein, Ziv Granov and Ariel Shillo October 27, 2025 by renholding

Policymakers and academics have extensively debated the extent and the nature of the revolving door phenomenon – the movement of workers between the government and the private sector. Proponents claim that the flow of former regulators to commercial firms fosters …

Boardroom Demographic Diversity Hits Record Levels as Substantive Diversity Emerges

By Lawrence A. Cunningham December 10, 2024 by renholding

Fascinating trends are afoot in corporate boardrooms, according to data compiled by The Conference Board and its partners, including us at the University of Delaware’s Weinberg Center for Corporate Governance and collaborators from KPMG, Russell Reynolds, and ESGAUGE.

Our new …

Credentials Matter, but Only for Men: Evidence from the S&P 500

By Peter Cziraki and Adriana Z. Robertson December 1, 2021 by renholding

Gender diversity in the boardroom and the C-suite is one of the most contentious topics in corporate governance. Proponents of greater diversity argue that the lack of women directors and top executives is a missed opportunity and that increasing their …

ISS Discusses Liquidity Behavior in the S&P 500

By Henry Yegerman June 8, 2021 by renholding

As a large cap index all the constituents of the S&P 500 are highly liquid. This is certainly true compared to mid-cap or small cap stocks. There are, though, high, and low rent districts within the S&P and the most …

Keeping Up with the Joneses and the Real Effects of S&P 500 Inclusion

By Benjamin Bennett, René M. Stulz and Zexi Wang May 27, 2021 by renholding

The S&P 500 index is the most visible and prestigious broad-based stock index in the U.S. Being included in it means joining an exclusive club that confers prestige on its members, as, for instance, many articles noted when Tesla was …

Discretionary Decision-Making and the S&P 500 Index

By Bernard S. Sharfman and Vincent Deluard March 30, 2021 by renholding

Discretion is an integral part of how indices, including stock market indices, are constituted, according to professors Rauterberg and Verstein and Robertson (here and here), and the S&P 500 index is no exception.

The S&P 500 is a …

Has the Stock Market Become Less Representative of the Economy?

By Frederik P. Schlingemann and René M. Stulz October 19, 2020 by renholding

In the summer of 2020, with the U.S. economy bearing the impact of the COVID-19 pandemic, the unemployment rate was as high as it had been any time since 1948, and the NASDAQ and the S&P 500 indices reached their …

Insider Trading and Geographic Proximity: Evidence from Covid-19

By Erin Henry, George A. Plesko and Caleb Rawson September 1, 2020 by renholding

The COVID-19 pandemic has dramatically changed how businesses operate, resulting in unprecedented stock market effects. While the U.S. stock market has historically shown little to no reaction to an infectious disease outbreak, COVID-19 precipitated a global stock market downturn now …

Exequity Discusses S&P 500 Companies’ Use of “Relative Total Shareholder Return”

By Ben Burney July 24, 2020 by renholding

The economic consequences of the COVID-19 pandemic have upended countless budgets for 2020 and rendered long-term forecasts speculative at best. By now, most companies providing financial guidance have withdrawn it. Uncertainty abounds.

All the while, investors, proxy advisors, and other …

Designing Dual Class Sunsets: The Case for a Transfer-Centered Approach

By Marc Moore December 19, 2019 by renholding

Dual class capital structures have spread exponentially in recent years across much of the corporate world, as has previously been reported on this blog. Dual class listed companies today account for around $4 trillion of US total stock market value …

Corporate Behavior and the Tax Cuts and Jobs Act

By Nicholas Cohen and Manoj Viswanathan October 30, 2019 by renholding

How has the U.S. Tax Cuts and Jobs Act of 2017 changed corporate behavior? In addition to reducing the corporate income tax rate to a flat 21 percent from a high of 35 percent, the TCJA changed other important rules …

Stock Market Indices: Inside the Black Box

By Anita Anand and Adriana Z. Robertson March 21, 2018 by renholding

The news that a whistleblower contacted U.S. regulators last month about alleged manipulation of the Chicago Board Options Exchange Volatility Index, or VIX, highlights near universal reliance on information that stock market indices provide. While the VIX is not itself …

Stocks May Be Expensive but Not Overvalued

By Pierre-Axel Gide September 5, 2017 by renholding

Publications like Bloomberg, The Financial Times, and The Wall Street Journal[1] have recently reported that current stock markets and especially those in the United States are more overvalued than ever. In an interview with the Financial Post[2]…

Oil Prices and the Global Economy: Is It Different This Time Around?

By Kamiar Mohaddes and M. Hashem Pesaran August 24, 2016 by renholding

The positive correlation between oil prices and equity markets over the past few years has been discussed extensively in the media as well as by prominent economists, such as Bernanke and Obstfeld, and has brought into question the generally …

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Each business day, our team sifts through blog posts, news stories, and other sources to keep up-to-date on relevant recent developments. The following links will take you to our recommended selections. To see the sources we follow click Filter Sources.

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Bloomberg
Honda to Halt Last U.S. EV Sales
July 16, 2026
Dealbook
Anthropic Inches Toward Mega-IPO
July 16, 2026
The Governance Beat
SEC Seeks Record Rulemakings
July 16, 2026
Financial Times
Chevron, Iraq Seek Hormuz Bypass
July 16, 2026
Federal Trade Commission
HSR Filing Failure Brings Record Fine
July 16, 2026
Wall Street Journal
Wall Street Firms to Tokenize Stocks
July 15, 2026
Delaware Business Litigation Report
Delaware Chancery Dismisses Fiduciary Duty and Veil-Piercing Claims
July 15, 2026
Dealbook
Is IBM a Canary in Tech Coalmine?
July 15, 2026
Financial Times
Stripe, Advent Bid $53 Billion for PayPal
July 15, 2026
Sidley Enhanced Scrutiny
Delaware Chancery Clarifies Which Law Governs Inspection Rights
July 15, 2026
Wall Street Journal
Scotus Justices Testify to Congress
July 14, 2026
Bloomberg
UK May Make Firms Publish Salaries
July 14, 2026
New York Times
U.S. Workers at Most Productive Ever
July 14, 2026
Freshfields' A Fresh Take
FTC John Deere Settlement Signals Scrutiny of Aftermarket Repair Limits
July 14, 2026
Financial Times
Banks Thriving on Stock-Trading Boom
July 14, 2026
New York Times
States Sue to Block Paramount-Warner
July 13, 2026
The Governance Beat
Pharma Firms Ready to Go Semi-Annual
July 13, 2026
Financial Times
Suit Over Tylenol-Autism Link Revived
July 13, 2026
D&O Diary
AI-Related Securities Suits Evolving
July 13, 2026
Sidley Enhanced Scrutiny
Delaware Chancery Draws a Line on Release Conditions in M&A
July 13, 2026
Bloomberg
Trump Embraces Australian Retirement System Backed by Larry Fink
July 12, 2026
Delaware Business Litigation Report
Delaware Supreme Court Clarifies Distinction Between Void and Voidable
July 12, 2026
Freshfields' A Fresh Take
Federal Regulators Propose New Rules for Payment Stablecoin Issuers
July 12, 2026
Financial Times
Big Tech to Face Big EU Fines for Consumer Protection Failures
July 12, 2026
Business Law Prof Blog
How Comment Letters Stack Up on SEC Semi-Annual Reporting Rule
July 12, 2026
Wall Street Journal
Netflix Exploring Live TV, Bundles
July 9, 2026
Bloomberg
Goldman Bans Staff From Prediction-Market Bets on Finance, War
July 9, 2026
Cleary Securities Watch
SEC Issues 2026 Rulemaking Agenda
July 9, 2026
Securities Regulation and Corporate Governance Monitor
SEC Guidance on Activism, Tender Offers, Proxy Matters, Crowdfunding
July 9, 2026
Business Law Prof Blog
The Latest on Reincorporations
July 9, 2026
Bloomberg
Supreme Court’s Originalism Is Dead
July 8, 2026
Wall Street Journal
Why Smucker’s Bet on Twinkie Flopped
July 8, 2026
Delaware Business Litigation Report
Chancery Applies “Heightened” Presumption of Director Independence
July 8, 2026
New York Times
Lawyer William D. Zabel Dies
July 8, 2026
D&O Diary
New Lawsuit Suggests Evolution in Cross-Border Securities Fraud
July 8, 2026
Wall Street Journal
U.S. Revokes Iranian Oil-Sales Waiver
July 7, 2026
Bloomberg
Fed Proposes Changes to Anti-Money Laundering Rules for Banks
July 7, 2026
D&O Diary
Private Credit Firm Sued Over Excessive Payment-in-Kind Fee
July 7, 2026
Sidley Enhanced Scrutiny
Chancery Rules Indemnification Can Fix Bad Purchase-Price Adjustment
July 7, 2026
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Clarifies Implied Covenant of Good Faith and Fair Dealing
July 7, 2026
Wall Street Journal
Banks Mull Deal to Shake Up Payments
July 6, 2026
Bloomberg
Toyota to Make Truck in Texas Not Mexico
July 6, 2026
Freshfields' A Fresh Take
SEC Expanding Regulatory Perimeter
July 6, 2026
Financial Times
Microsoft to Axe 4,800 Jobs
July 6, 2026
Deal Lawyers.com
Delaware Supremes Say Fraudulent-Reps Reliance OK Despite Diligence Gaps
July 6, 2026
Reuters
UK Budget Airline to Accept Takeover
July 5, 2026
Wall Street Journal
Why Billionaire Wants to Pay More Tax
July 5, 2026
Cleary Securities Watch
SEC Updates Debt Tender-Offer Rules
July 5, 2026
D&O Diary
Solar Panel Company Hit with Tariff-Related Securities Suit
July 5, 2026
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Harmonizes Conflicting Forum Selection Clauses
July 5, 2026
Reuters
US to End North American Trade Deal
July 1, 2026
Wall Street Journal
Scandals Shake Up McKinsey Board
July 1, 2026
Bloomberg
Exxon to Change Name Post-Redomicile
July 1, 2026
Financial Times
White House Lifts Anthropic Ban
July 1, 2026
D&O Diary
Federal Contractors Claim Fuzzy DEI Requirements Put Them at Risk
July 1, 2026
Delaware Corporate & Commercial Litigation Blog
The Key Delaware Corporate and Commercial Decisions of 2026 So Far
July 1, 2026
Bloomberg
TikTok Finalizes Addiction-Suit Deal
June 30, 2026
Cleary M&A Watch
Shareholder Activism at 2026 Midpoint
June 30, 2026
New York Times
AOL, Vimeo, Other Oldies Live Again
June 30, 2026
Financial Times
New “Claude” Seeks Pharma Revenue
June 30, 2026
D&O Diary
Securities Suits Up in Year’s First Half
June 30, 2026
Wall Street Journal
Remote Work Shrinks New-Grad Jobs
June 29, 2026
Dealbook
Comcast to Spin Off NBCUniversal
June 29, 2026
Financial Times
Scotus Rules Fed Governor Can Stay
June 29, 2026
D&O Diary
FTC, Then Shareholders, Sue Zillow
June 29, 2026
Yahoo Finance
SEC Probing PE Continuation Funds
June 29, 2026
Wall Street Journal
FIFA Ban a Stadium Sponsor Boon
June 28, 2026
Bloomberg
Flawed Robotaxis Making Headway
June 28, 2026
New York Times
OpenAI IPO May Wait Until Next Year
June 28, 2026
Cleary Securities Watch
Update on 2026 Shareholder Activism
June 28, 2026
Sidley Enhanced Scrutiny
Delaware Chancery Clarifies Limits of Delaware Notice Pleading
June 28, 2026
D&O Diary
Delaware Court: Bump-Up Clause Bars Shareholder-Suit D&O Coverage
June 28, 2026
D&O Diary
AI Governance Is a Fiduciary Duty
June 25, 2026
Justice Department
SPAC Ex-CEO Sentenced to 3 Years
June 25, 2026
Bloomberg
SEC Joins Prediction Market Fray
June 25, 2026
Deal Lawyers.com
Texas Biz Court Adresses “Affiliate” Under Drag-Along Rights Provision
June 25, 2026
Business Law Prof Blog
Nevada Starts Business Court Pilot
June 25, 2026
Bloomberg
Anthropic Accuses Alibaba of “illicitly” Accessing AI Models
June 24, 2026
Financial Times
Bitcoin Hits 20-Month Low
June 24, 2026
Cleary Securities Watch
CFTC Proposes New Rule on Oversight of Prediction Markets
June 24, 2026
D&O Diary
Case Shows How Pre-IPO Share Repurchases Create D&O Risks
June 24, 2026
Deal Lawyers.com
SEC Issues New CFI on Rights Listings in Business Combinations
June 24, 2026
Wall Street Journal
CEO Paydays Soar Past $200 Million
June 23, 2026
Bloomberg
Banks Capping Private Credit Exits
June 23, 2026
The Governance Beat
Audit-Committee Chair Top 10 Wishes
June 23, 2026
Financial Times
Paul Weiss Snags Bankruptcy Star
June 23, 2026
D&O Diary
Derivative Suit Alleges Uber is a “Serial Compliance Offender”
June 23, 2026
Wall Street Journal
SpaceX Readies Bond Market Debut
June 22, 2026
Bloomberg
Former Fed Chair Greenspan Dies
June 22, 2026
The Governance Beat
PwC Report Says Effective Governance Requires Boards and Management
June 22, 2026
D&O Diary
Texas Anti-ESG Effort Targets ISS
June 22, 2026
Deal Lawyers.com
U.S. Court Allows Shareholder Claims Over Regulatory Approval Disclosure
June 22, 2026
Reuters
Trump: Anthropic No Security Threat
June 21, 2026
Wall Street Journal
Hollywood Hits Pre-Pandemic Highs
June 21, 2026
Financial Times
Wars Drawing VCs to Defense Tech
June 21, 2026
D&O Diary
SEC’s Proposal to Ditch Quarterly Reporting Draws Heated Comments
June 21, 2026
Business Law Prof Blog
Delaware Chancery Issues First Decision Interpreting DGCL Section 144
June 21, 2026
Reuters
Startups Explore Orbital AI Data Centers
June 18, 2026
Bloomberg
AI Learns to Spot Toxic Bosses
June 18, 2026
Wall Street Journal
More Investors Seek Private Credit Exit
June 18, 2026
Financial Times
JPMorgan Cuts Claude Access in Asia
June 18, 2026
Deal Lawyers.com
Chancery Finds Selling Shareholders Didn’t Breach Right of First Refusal
June 18, 2026
Wall Street Journal
John Paulson Wins Puerto Rico Case
June 17, 2026
New York Times
Musk May Merge SpaceX, Tesla Next
June 17, 2026
The Governance Beat
Can SEC Act With Two Commissioners?
June 17, 2026
Financial Times
Trump Delays Jay Clayton Confirmation
June 17, 2026
Sidley Enhanced Scrutiny
Chancery Dumps Stockholder Claims as Derivative, Unripe, and Untimely
June 17, 2026
Bloomberg
Kalshi Aims to Expand Perpetual Futures
June 16, 2026
New York Times
SpaceX to Buy AI Startup for $60 Bln
June 16, 2026
D&O Diary
Securities Suit Over AI Hits Microsoft
June 16, 2026
Delaware Corporate & Commercial Litigation Blog
Chancery Offers Guidance on Enforcing, Changing Scheduling Orders
June 16, 2026
Business Law Prof Blog
The Latest in State Reincorporations
June 16, 2026
Blog Roll Header
  • Business Law Prof Blog
  • Corporate & Securities Law Blog
  • DealLawyers
  • Delaware Corporate and Commercial Litigation Blog
  • Gibson Dunn Securities Regulation and Corporate Governance Monitor
  • Harvard Law School Forum on Corporate Governance
  • How Appealing
  • PubCo @ Cooley
  • Securities Docket
  • Sidley Enhanced Scrutiny Blog
  • The D&O Diary
  • Truth on the Market
  • White Collar Crime Prof Blog
The Blue Sky Blog is Sponsored by Columbia Law School's Center on Corporate Governance.
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