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  • John C. Coffee, Jr. – Boeing and the Future of Deferred Prosecution Agreements 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
  • Climate Disclosure Line-Drawing and Securities Regulation By Virginia Harper Ho
  • Board Committee Charters and ESG Accountability By Lisa M. Fairfax
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Columbia Law School's Blog on Corporations and the Capital Markets

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Rule 10b-5

Why Traditional Damage Calculations May Underestimate Securities Fraud Harm

By Michael McDonald November 21, 2025 by renholding

If you practice securities litigation, you know the drill: When a stock’s value drops significantly after disclosure of adverse information, calculating damages typically focuses on the price decline itself, adjusted for market movements. In a new paper, I suggest this …

Comment  

Do Stricter Insider Selling Policies Impede Market Efficiency and Hurt Innocent Players?

By Pengfei Ye, Qingsheng Zeng and Cheng Zhang October 28, 2025 by renholding

Corporate insiders’ opportunistic trading – particularly selling their firms’ stocks before bad news – erodes public trust, reduces market participation, and exacerbates the agency problem that occurs when the interests of insiders and the company conflict. Yet, regulators have been …

The Perils of Excessive Mandatory Disclosure

By Hing Nin Kwok October 3, 2025 by renholding

Disclosure requirements can serve legitimate public purposes, but a blanket mandate risks negative economic ramifications. In a new paper, I examine how excessive mandatory disclosure could backfire, what makes an appropriate rule, and the l challenges of  evaluating policies on …

Paul Weiss Discusses Second Circuit Limit on Insider Trading Liability for Prime Brokers

By Andrew Ehrlich, Dan Kramer, Lorin Reisner, Daniel Sinnreich and Thomas Bounds October 2, 2025 by renholding

On September 16, 2025, the U.S. Court of Appeals for the Second Circuit affirmed the dismissal of insider trading claims against Morgan Stanley and Goldman Sachs (the “Banks”) following the March 2021 collapse of Archegos Capital Management. Plaintiffs—investors in seven …

Supreme Court’s Recent Interpretation of Wire Fraud Confirms Confidential Government Information Is Property

By Donna M. Nagy June 11, 2025 by renholding

For nearly 40 years, regardless of whether confidential information belonged to a governmental entity or a private-sector business, its misappropriation could be prosecuted as a property crime. Lower federal courts relied on Carpenter v. United States,[1] a well-known …

Securities Regulation and Administrative Law in the Roberts Court

By David Zaring May 19, 2025 by renholding

In a new essay, I compare a judicial revolution that is happening with one that is not. Both the change and the status quo are being managed by the current Supreme Court. , When it comes to administrative law, the …

Gibson Dunn Offers Securities Litigation Update for 2024

By Craig Varnen, Monica Loseman, Brian Lutz, Jefferson Bell and Chase Weidner March 5, 2025 by renholding

In this update:

  • We report on orders from the Supreme Court that dismissed two securities-related cases from the Court’s merits docket, leaving unresolved questions about pleading standards and the nature of misstatements under the PSLRA. We also examine one potential
…

Where Do Corporate Insiders Trade?

By Alexander Hübbert and Lars L. Nordén October 29, 2024 by renholding

The venue for stock trading is important. Exchanges provide high immediacy and transparency, while dark markets are slower and more opaque.[1] Traders generally prefer exchanges when they want to capitalize on information before it becomes known but value dark markets …

Gibson Dunn Offers Securities Litigation 2024 Mid-Year Update

By Craig Varnen, Monica Loseman, Brian Lutz, Jefferson Bell and Chase Weidner September 18, 2024 by renholding

This update provides an overview of the major developments in federal and state securities litigation since our Securities Litigation 2023 Year-End Update. A recent NERA Economic Consulting (NERA) study provides an overview of recent developments in filings. This section …

Cohen Milstein Discusses Two U.S. Supreme Court Cases that May Increase Hurdles for Securities Fraud Plaintiffs

By Laura H. Posner and Alexandra Gray September 12, 2024 by renholding

In November, the U.S. Supreme Court will hear two cases from the Ninth Circuit Court of Appeals that will implicate the ability of investors to bring securities fraud claims. The most worrisome – NVIDIA Corp. v. E. Ohman J:or Fonder …

Just Friends? Managers’ Connections to Judges

By Sterling Huang, Sugata Roychowdhury, Ewa Sletten and Yanping Xu July 25, 2024 by renholding

The Code of Conduct for United States Judges prohibits judges from allowing personal relationships, including social connections with parties or attorneys involved in a case, to influence the judges’ conduct. However, the disclosure of such social conflicts, as well as …

Undue Limitations in the Section 10(b) Purchaser-Seller Requirement

By Marc I. Steinberg and Antonio Partida May 21, 2024 by renholding

In a forthcoming article, we address recent restrictions and diverging approaches among the federal courts to the purchaser-seller requirement for a private action under Section 10(b) of the Securities Exchange Act and Rule 10b-5. The “Purchaser-Seller Rule,” commonly …

Skadden Discusses Scotus Ruling That Omissions Not Actionable Under Section 10(b) of Exchange Act

By Jay B. Kasner, Scott D. Musoff, Susan L. Saltzstein and Michael S. Hines April 18, 2024 by renholding

On April 12, 2024, the Supreme Court unanimously reversed and vacated the Second Circuit’s decision in Macquarie Infrastructure Corporation v. Moab Partners, L.P. Justice Sonia Sotomayor delivered the opinion for the Court. The issue presented was whether the failure to …

Paul Weiss Discusses Verdict in SEC “Shadow Trading” Case

By Andrew J. Ehrlich, Gregory F. Laufer, Jessica S. Carey, Richard C. Tarlowe and Udi Grofman April 15, 2024 by renholding

On Friday, April 5, 2024, a jury in the Northern District of California found that the SEC had established that Defendant Matthew Panuwat, a former senior director of business development at biopharmaceutical firm Medivation, was liable under a civil misappropriation …

Are Securities Class Actions Appropriate to Address Secondary-Trading Crypto Fraud?

By Menesh S. Patel April 2, 2024 by renholding

Traders in the United States now routinely trade hundreds of crypto assets in secondary crypto markets, and the pool of tradable assets is growing. Through these transactions, traders have seen financial gains and losses, which at times have been substantial. …

U.S. Supreme Court Considers Whether Pure Omissions Can Support Section 10(b) Liability

By Sarah Eichenberger and Jonathan Rotenberg February 12, 2024 by renholding

On January 16, 2024, the U.S. Supreme Court held oral argument on a question that could have significant consequences for securities litigants: whether a failure to disclose information under Item 303 of Regulation S-K is, standing alone, an actionable omission …

Debevoise Discusses Supreme Court Case on Whether a Private Right of Action Exists for Deficient MD&A

By Matthew Kaplan, Maeve O’Connor, Jonathan Tuttle, Benjamin Pedersen and Anna Moody October 23, 2023 by renholding

The Supreme Court has agreed to hear an appeal relating to whether there is a private right of action for omissions from the disclosures required by Item 303 of Regulation S-K (i.e., Management’s Discussion and Analysis of Financial Condition and …

Why Prosecuting Executives for Securities Fraud Is So Difficult

By James J. Park October 12, 2023 by renholding

In a new essay, I examine public company wrongdoing by focusing on securities fraud.

In general, there are two main reasons why companies commit wrongful acts. The first is that managers have incentives to further their own interests. They may …

How Regulation of Share Buybacks and Insider Trading Compare in the U.S. and Europe

By Lance Ang April 21, 2023 by renholding

Share buybacks have returned with a vengeance following the COVID-19 pandemic.[1] The average proportion of buybacks out of aggregate shareholder payouts in 2019-2021 was higher than the historical average during 2005-2019 in the U.S. and Europe.[2] These developments …

Cooley Discusses the Risk of Liability from Sustainability Reports

By Cydney Posner April 14, 2023 by renholding

In April of last year, as described in this press release, the SEC filed a complaint against Vale S.A., a publicly traded (NYSE) Brazilian mining company and one of the world’s largest iron ore producers, charging that it made “false …

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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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Delaware Business Litigation Report
Chancery Partially Grants Motion to Dismiss Direct Caremark Claims
January 8, 2026
New York Times
Funding May Value Anthropic $350 Bln
January 8, 2026
The Governance Beat
The Most Common AI Risk Factors
January 8, 2026
Bloomberg
War on Iffy Lawsuits Upends SEC’s Role
January 8, 2026
FTI Consulting
PE Holding Periods May Get Longer
January 8, 2026
New York Times
Elon Musk’s xAI Raises $20 Billion
January 7, 2026
D&O Diary
Suit May Preview AI-Bubble Litigation
January 7, 2026
FINRA
SEC Ends Biased Research Settlement
January 7, 2026
Bloomberg
SEC Sees AI-Related Disclosures Soar
January 7, 2026
PwC Blog
PE Investing in Mid-Market Firms Sags
January 7, 2026
Bloomberg
Nvidia CEO “Fine” With Billionaire Tax
January 6, 2026
New York Times
Who Needs More Venezuelan Oil?
January 6, 2026
Freshfields' A Fresh Take
Arizona Supreme Court Rejects “Closely Related Party” Doctrine
January 6, 2026
CoinDesk
Crypto’s Fate in GOP Watchdogs’ Hands
January 6, 2026
ABA Business Law Today
ABA Issues M&A Deal-Points Study
January 6, 2026
Delaware Business Litigation Report
Chancery Keeps Reasonableness Standard in Restrictive Covenant Dispute
January 5, 2026
New York Times
Big Tech Gets What Wants from Trump
January 5, 2026
Freshfields' A Fresh Take
M&A Predictions, Guidance for 2026
January 5, 2026
D&O Diary
The Top 10 D&O Stories of 2025
January 5, 2026
Deal Lawyers.com
Extended Producer Responsibility Laws Raise New Issues for Buyers
January 5, 2026
Bloomberg
GOP-Only Watchdogs Police Wall Street
January 4, 2026
Wall Street Journal
Trump Upends White-Collar Prosecutions
January 4, 2026
Securities and Exchange Commission
Farewell Commissioner Crenshaw
January 4, 2026
Corporate & Securities Law Blog
SEC Proposal Would Give NASDAQ More Discretion to Deny Listings
January 4, 2026
Business Law Prof Blog
Is Walmart Selling Itself as a Tech Firm?
January 4, 2026
Delaware Business Litigation Report
Chancery Keeps Reasonableness Standard in Restrictive Covenant Dispute
December 23, 2025
Freshfields' A Fresh Take
What Bank Regulators May Do in 2026
December 23, 2025
The Governance Beat
EDGAR to Take Five Days Off
December 23, 2025
Securities Litigation & Enforcement
What SEC Enforcement May Do in 2026
December 23, 2025
Securities and Exchange Commission
Retail-Investor Crypto Scheme Nailed
December 23, 2025
Dealbook
Dealmakers Grow Bullish on 2026
December 22, 2025
Sidley Enhanced Scrutiny
California Court Says Federal Forum Clauses Enforceable in Securities Suits
December 22, 2025
Wall Street Journal
The SEC May Make Wall Street Analysts Corrupt Again
December 22, 2025
Deal Lawyers.com
New Defense Act to Prompt Expansion of Outbound Investment Control
December 22, 2025
Business Law Prof Blog
The Lessons of Oklahoma Biz Court
December 22, 2025
Delaware Business Litigation Report
Delaware Chancery Rules in Nonstock Corporation’s Board Removal Case
December 21, 2025
D&O Diary
Securities Lawsuits Related to Data Breaches Hit Two Tech Companies
December 21, 2025
Wall Street Journal
PCAOB to Cut Chair’s Pay by Over Half
December 21, 2025
Securities and Exchange Commission
FTX Consent Judgments Reached
December 21, 2025
Business Law Prof Blog
Musk Pay Ruling Is Politically Expedient
December 21, 2025
New York Times
BP CEO Exits, New Boss Named
December 18, 2025
Freshfields' A Fresh Take
SEC Retires Rigid Compliance System
December 18, 2025
SEC Sentinel
SEC Engages in a Flurry of Activity
December 18, 2025
Lexology
SEC Cybersecurity Rules Taking Effect
December 18, 2025
FactSet
M&A Deal Activity Dropped Last Month
December 18, 2025
New York Times
Warner Bros: Ellisons Misled Investors
December 17, 2025
Bloomberg
Amazon Names New AI Chief
December 17, 2025
D&O Diary
Digital Ad Analytics Firm Hit With Securities Suit for Understating AI Risk
December 17, 2025
Securities and Exchange Commission
California Spoofing Case Settles
December 17, 2025
Cooley M&A
Beware M&A Deal Jumping
December 17, 2025
Wall Street Journal
Travel Ban to Cover More Countries
December 16, 2025
Bloomberg
Warner Bros to Reject Paramount Bid
December 16, 2025
Delaware Business Litigation Report
Chancery Nixes Fraud, Aiding-Abetting Claims Against Seller, Controller
December 16, 2025
Dealbook
New Data Won’t Settle Rate Debate
December 16, 2025
D&O Diary
Are ESG Shareholder Proposals Over?
December 16, 2025
Delaware Business Litigation Report
Chancery Nixes Challenge to Voting Agreement in Director Removal Case
December 15, 2025
Dealbook
SpaceX May Soon Launch an IPO
December 15, 2025
D&O Diary
U.S. Brings Criminal Tariff Evasion Enforcement Action
December 15, 2025
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Strikes Affirmative Defense of Fraudulent Inducement
December 15, 2025
Deal Lawyers.com
Bandera Fund Case Back in Chancery
December 15, 2025
Business Law Prof Blog
Trump Takes Aim at Proxy Advisers
December 14, 2025
D&O Diary
Does Issuance of Stock to Settle a Shareholder Suit Constitute “Loss”?
December 14, 2025
Sidley Enhanced Scrutiny
Delaware Chancery Affirms High Bar for Challenging Advance Notice Bylaws
December 14, 2025
Bloomberg
Bill Would Force SEC Disclosure of Stock Trades by Foreign Insiders
December 14, 2025
New York Times
Trump Arrives, SEC Retreats on Crypto
December 14, 2025
Bloomberg
More Corporate Tax Breaks Coming
December 11, 2025
Delaware Business Litigation Report
Delaware Supreme Court OKs Amazon Investor Push for Antitrust Probe
December 11, 2025
New York Times
Do Kwon Sentenced to 15 Years
December 11, 2025
The Governance Beat
Defense Bill to Impose Section 16 Obligations on Foreign Private Issuers
December 11, 2025
D&O Diary
Securities Litigation Risk on the Rise
December 11, 2025
Bloomberg
OCC Accuses Nine Banks of Debanking
December 10, 2025
Delaware Business Litigation Report
Chancery Dismisses Claims for Breach of Fiduciary Duty Due to Release
December 10, 2025
New York Times
How AI and Dot-Com Booms Differ
December 10, 2025
Yahoo Finance
SEC Chair to “Futureproof” Crypto Regs
December 10, 2025
Deal Lawyers.com
Delaware Supreme Court Affirms Two Chancery Court Decisions on M&A
December 10, 2025
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