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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
  • Climate Disclosure Line-Drawing and Securities Regulation By Virginia Harper Ho
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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
California Voters to Nix Billionaire Tax
November 5, 2026
Freshfields' A Fresh Take
Ransom Negotiation Firms Facing New Enforcement Risks
November 5, 2026
Financial Times
Bezos’ Blue Origin Delays Launches
November 5, 2026
Sidley Enhanced Scrutiny
Amended Section 220 Takes Shape
November 5, 2026
Investment Executive
SEC Keeps Rajaratnam’s Industry Ban
November 5, 2026
Wall Street Journal
CVS Will Break Off Pharmacy Business
November 4, 2026
Financial Times
Murdoch Media Empire Cools on Trump
November 4, 2026
Securities Suit Claims Tariff Risk Used to Suppress Deal Value
November 4, 2026
Deal Lawyers.com
Delaware Judge OKs Cloudflare Interlocutory Appeal on “Good Faith”
November 4, 2026
Business Law Prof Blog
Blue Texas May Be Good for Delaware
November 4, 2026
Reuters
Lawmakers Query McDonald’s Pricing
November 3, 2026
Bloomberg
Binance Hackers Used Fake Interviews
November 3, 2026
Wall Street Journal
Ex-Bitcoin MIners Find AI No Easier
November 3, 2026
Freshfields' A Fresh Take
SEC Issues Exam Priorities for 2027
November 3, 2026
Financial Times
Ex-Weil Partners Lawyer Up for Equity
November 3, 2026
Bloomberg
Goldman Limits Trader, Banker AI Use
November 2, 2026
Wall Street Journal
Europe’s Pension Covenant Unraveling
November 2, 2026
New York Times
Marvell, Lumentum in $115bn Merger
November 2, 2026
Financial Times
Fox News Ratings Suffer Sharp Drop
November 2, 2026
D&O Diary
Texas Courts Begin to Define the Consequences of Reincorporation
November 2, 2026
Bloomberg
Is Colombia at Risk of a Default?
November 1, 2026
Financial Times
Binance Users Pull $3.6bn on Restart
November 1, 2026
D&O Diary
SEC Enforcement Dropped in 2026
November 1, 2026
Deal Lawyers.com
Delaware Chancery Interprets SB 21’s “Controlling Stockholder” Definition
November 1, 2026
Business Law Prof Blog
SEC-ISS Tiff Deserves More Attention
November 1, 2026
Bloomberg
Nvidia CEO Says Spy-Firm Ties Normal
October 29, 2026
Wall Street Journal
Hack Costs Polymarket Users Millions
October 29, 2026
New York Times
DoorDash to Buy Instacart for $17bn
October 29, 2026
Financial Times
What Killed Law Firm Weil Gotshal?
October 29, 2026
D&O Diary
Honeywell Aerospace Sued After FCA Cybersecurity Settlement
October 29, 2026
Reuters
Bloomberg Pays for Faster Trump Posts
October 28, 2026
Dealbook
Biden Trustbusters Start AI Legal Biz
October 28, 2026
Financial Times
Weil Gotshal Leaders Say Dissolve Firm
October 28, 2026
Cleary Securities Watch
SEC Flags Group Formation and “Passive Investor” Status Risks
October 28, 2026
Sidley Enhanced Scrutiny
Delaware Chancery Says Privilege Protects Lawyer Internal Brainstorming
October 28, 2026
Deal Lawyers.com
Delaware Supremes OKs Verisk Ruling
October 28, 2026
Delaware Business Litigation Report
No Personal Jurisdiction from Omitting Delaware Secretary of State Filing
October 27, 2026
Dealbook
GM Will Move Stock to Nasdaq
October 27, 2026
The Governance Beat
SEC, Nasdaq Issue Tokenization FAQs
October 27, 2026
Financial Times
Weil Gotshal May Mull Wind-Down
October 27, 2026
D&O Diary
Private Credit Scrutiny Fuels Claims
October 27, 2026
Delaware Business Litigation Report
Chancery OKs Fiduciary Breach Charges from Tech Startup Collapse
October 26, 2026
New York Times
7 Numbers Explain Anthropic Business
October 26, 2026
Freshfields' A Fresh Take
Treasury Proposes COINS Act Rule
October 26, 2026
The Governance Beat
ISS and Glass Lewis Announce Plans for Global Voting Policies
October 26, 2026
Financial Times
Ex-FBI Chief Comey Charged With National-Defense Information Leak
October 26, 2026
Wall Street Journal
Audi to Build First U.S. Factory
October 25, 2026
New York Times
CEOs, Workers Differ on AI Outlook
October 25, 2026
D&O Diary
How to Interpret $25bn Meta Judgment
October 25, 2026
Sidley Enhanced Scrutiny
How to End an Advancement Obligation
October 25, 2026
Business Law Prof Blog
How Should DGCL 144 Safe Harbor Apply to Conflicted Controller Deals?
October 25, 2026
Reuters
Musk Talk Imperils SpaceX-Tesla Deal
October 22, 2026
Bloomberg
Live Nation Empire Risks a Breakup
October 22, 2026
New York Times
Barclays to Cut 5,000 Jobs in AI Push
October 22, 2026
Cleary M&A Watch
SEC Staff Streamlines Form S-8, Rule 701, and Section 16 Guidance
October 22, 2026
D&O Diary
AI-Related Securities Suit Filings Surge
October 22, 2026
Financial Times
CVC Explores Bid for Verisure
October 21, 2026
New York Times
U.S. to Tap Heating Oil Reserves
October 21, 2026
Wall Street Journal
Meta Ordered to Pay New Mexico $25 Billion in Data-Privacy Case
October 21, 2026
Bloomberg
Meta Offers Zuckerberg New Shares to Shield Him from Wealth Tax
October 21, 2026
D&O Diary
Webull Securities Lawsuit Underscores Geopolitical Disclosure Risk
October 21, 2026
Wall Street Journal
Last Boeing 737 MAX Jet Gets OK
October 20, 2026
Freshfields' A Fresh Take
SEC Delivers Equity Pay Relief
October 20, 2026
Financial Times
SpaceX, Tesla Boards Mull Merger
October 20, 2026
D&O Diary
FCA Settlement Highlights Developing Anti-DEI Enforcement Trends
October 20, 2026
Corporate & Securities Law Blog
SEC May Expand “Accredited Investor”
October 20, 2026
Bloomberg
Nscale and Anthropic in Talks Over $45bn Cloud Computing Deal
October 19, 2026
Financial Times
Freshfields Apologizes for Comment on Mideast Sovereign Wealth
October 19, 2026
D&O Diary
Securities Suit Hits BofA Over Anti-Money Laundering Penalties
October 19, 2026
Delaware Corporate & Commercial Litigation Blog
Chancery Declines to Award Remedy for Failure to Maintain Stock Ledger
October 19, 2026
Deal Lawyers.com
Chancery Pauses Cloudflare Recap
October 19, 2026
Dealbook
States Step Up as Antitrust Enforcers
October 18, 2026
Cleary Securities Watch
DOJ Revises FCA Enforcement Rules
October 18, 2026
D&O Diary
AI-Linked Securities Suit Hits Endava
October 18, 2026
Business Law Prof Blog
The Latest on Reincorporations
October 18, 2026
Corporate & Securities Law Blog
Nasdaq Adopts $4.00 Minimum Price Requirement for Initial Listings
October 18, 2026
Bloomberg
Judge Rejects Gemini, CFTC Bid to Undo $5 Million Settlement
October 15, 2026
Wall Street Journal
KFC Moves to Ditch Pepsi for Coke
October 15, 2026
Dealbook
Anthropic Says Revenue Rose 45%
October 15, 2026
The Governance Beat
DOJ Revamps Fraud Enforcement Rules
October 15, 2026
Financial Times
AI, SpaceX Lift Harvard Endowment
October 15, 2026
D&O Diary
Big Corporate Bankruptcies Down
October 15, 2026
Delaware Business Litigation Report
Chancery Declines to Dismiss Aiding, Abetting Claims in Cram-Down Financing
October 14, 2026
Sidley Enhanced Scrutiny
Chancery Clarifies Officer Consent Law
October 14, 2026
D&O Diary
Suits Highlight AI Platform and Data Center Infrastructure D&O Risk
October 14, 2026
Securities Docket
Kalshi Investigates Well-Timed Bets on Trump’s Press Secretary Pick
October 14, 2026
Deal Lawyers.com
Delaware Supremes Affirms Chancery on “Participant” in Proxy Solicitation
October 14, 2026
Reuters
Wall Street Banks See Deals Slow
October 13, 2026
Bloomberg
Fed’s Williams: No Rate Hike Needed
October 13, 2026
Delaware Corporate & Commercial Litigation Blog
Chancery Won’t Name Receiver Where Firm Paid Advancement Late
October 13, 2026
Securities Litigation & Enforcement
Delaware Chancery Warns Advance Notice Bylaws Need to Be Clear
October 13, 2026
Financial Times
FTC Says Skreli Breached Industry Ban
October 13, 2026
Bloomberg
App Bumble Nears $1bn Sale to Ithaca
October 12, 2026
Financial Times
France, Germany Near Car Policy Deal
October 12, 2026
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
Wall Street Journal
Trump Backs Dodgy Credit Card Bill
October 11, 2026
Reuters
Nuvacore Funding Implies $2.5bn Value
October 11, 2026
The Governance Beat
SEC Guides on Firm Voting Programs
October 11, 2026
Financial Times
DOJ Probes Networks’ Trump Coverage
October 11, 2026
Sidley Enhanced Scrutiny
Delaware Chancery Rules Accountants Confined to Accounting Decisions
October 11, 2026
Freshfields' A Fresh Take
Sixth Circuit Says State Regulators Can Police Prediction Markets
October 8, 2026
The Governance Beat
ISS’ Benchmark Policy Survey Results
October 8, 2026
Financial Times
Starbucks Explored Chipotle Takeover
October 8, 2026
Deal Lawyers.com
Chancery Opines on Accounting Experts for M&A Price Adjustment
October 8, 2026
Corporate & Securities Law Blog
Third Circuit Revives Fact-Specific Materiality for Securities Fraud Claims
October 8, 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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