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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
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 …

Comment  

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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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
Dealbook
Nvidia Can Sell More Chips to China
December 9, 2025
Politico
SEC’s Crenshaw Fears Coming Pain
December 9, 2025
Bloomberg
PCAOB Picks Face More SEC Delay
December 9, 2025
Deal Lawyers.com
Tidbits from Paramount’s Warner Offer
December 9, 2025
Business Law Prof Blog
Paramount Warner Bid Not So Hostile
December 9, 2025
Wall Street Journal
Berkshire Hathaway Shuffles at Top
December 8, 2025
Reuters
Paramount Goes Hostile on Warner Bros
December 8, 2025
Securities and Exchange Commission
Money Manager Poseur Hit for Fraud
December 8, 2025
Bloomberg
Immigration Rules Becoming Deal Focus
December 8, 2025
Corporate & Securities Law Blog
Delaware Chancery Says Execs’ Misconduct Not Always Loyalty Breach
December 8, 2025
The Governance Beat
Glass Lewis Updates Benchmark Policy
December 7, 2025
D&O Diary
SEC Group Guides on AI Disclosure
December 7, 2025
SEC Sentinel
SEC Issues 2026 Examination Priorities
December 7, 2025
Delaware Business Court Insider
Firms Fare Well in Entire Fairness Trials
December 7, 2025
Business Law Prof Blog
SEC Mulls New Anti-Proxy Adviser Plan
December 7, 2025
Wall Street Journal
AI Threatens the Billable Hour
December 4, 2025
Reuters
Netflix Tops Warner Bros. Bids
December 4, 2025
New York Times
Kalshi Prediction Market Raises $1 Bln
December 4, 2025
Fox News
SEC Ups Chinese Firm Scrutiny in U.S.
December 4, 2025
Bloomberg
Virtu to Pay $2.5 Million in SEC’s Client Trading Data Case
December 4, 2025
Wall Street Journal
Trump Lowers Fuel Economy Rules
December 3, 2025
D&O Diary
SEC Chair: Make IPOs Great Again
December 3, 2025
Dealbook
SEC Loses Lone Democratic Voice
December 3, 2025
Bloomberg
SEC Earnings Fraud, Audit Cases Plunge
December 3, 2025
Deal Lawyers.com
Delaware Chancery Rejects Fraud on Board Claims, Applies Corwin to Sale
December 3, 2025
Bloomberg
Comcast Bid Seeks to Merge NBCUniversal With Warner Bros.
December 2, 2025
Delaware Business Litigation Report
Chancery Dismisses Challenge to Real Estate Investment Fund Capital Call
December 2, 2025
D&O Diary
Big AI Investments Mute Tariff Impact
December 2, 2025
Law.com
SEC Closes New Fyre Festival Probe
December 2, 2025
Securities Regulation and Corporate Governance Monitor
California Says It Will Not Enforce Climate-Related Risk Reporting Law
December 2, 2025
Bloomberg
Trump Commutes Sentence of GPB Capital Founder David Gentile
December 1, 2025
Wall Street Journal
Court Upholds U.S. Attorney Ouster
December 1, 2025
Reuters
Airbus Hit With New A320 Problem
December 1, 2025
Dealbook
OpenAI Takes Stake in Thrive Holdings
December 1, 2025
Reuters
Black Friday Sales Hit Record High
November 30, 2025
D&O Diary
Delaware Legal Fee Awards Excessive?
November 30, 2025
Bloomberg
SEC Power to Recoup Illegal Profits at Risk as Supreme Court Eyes Case
November 30, 2025
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Finds Waiver of Privilege Despite Inadvertent Disclosure
November 30, 2025
Business Law Prof Blog
“In Connection With” Strikes Again
November 30, 2025
Cleary M&A Watch
Court Blocks California Climate Rules
November 25, 2025
Dealbook
Fed, Big Tech Lift Investors’ Spirits
November 25, 2025
Wall Street Journal
Four Apple Executives Are Top Contenders to Succeed CEO Tim Cook
November 25, 2025
Reuters
Alphabet Nears $4 Trillion Market Value
November 25, 2025
Bloomberg
Hassett Emerges as Fed Frontrunner
November 25, 2025
Wall Street Journal
U.S. to Skip Publication of Initial Third-Quarter GDP Estimate
November 24, 2025
Bloomberg
Comey, James Charges Dismissed
November 24, 2025
Freshfields' A Fresh Take
OFAC Sanctions Colombia’s President
November 24, 2025
Cooley Securities Regulation
SEC Chair Offers Vision for Crypto Regs
November 24, 2025
Corporate & Securities Law Blog
Delaware Courts Limit Noncompete Enforcement in Incentive Plans
November 24, 2025
Dealbook
UK Daily Mail Owner to Buy Telegraph
November 23, 2025
Corporate Governance
SEC Posts First “Reasonable Basis” Notice for Pending No-Action Request
November 23, 2025
Cleary Enforcement Watch
SEC 2026 Exam Priorities Change Little
November 23, 2025
Financial Times
Make Insider Trading Thing of the Past
November 23, 2025
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Levies Fees for Lack of Candor Causing Discovery Abuses
November 23, 2025
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  • 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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