Securities fraud class action filings accelerated in 2019, according to a report released today by Cornerstone Research and the Stanford Law School Securities Class Action Clearinghouse. The report, Securities Class Action Filings—2019 Year in Review, finds that filing activity remains elevated well above historical levels by several key measures.

For the third year in a row, plaintiffs filed more than 400 securities class actions. In 2019, there were 428 securities class actions across federal and state courts—the highest number on record—with 268 core filings and 160 M&A filings. This marks a historic high for core filings, surpassing even 2008 when class actions peaked in response to financial market volatility. Market capitalization losses in 2019 eclipsed $1 trillion for the second consecutive year.

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“The increase in state court Section 11 filings under the 1933 Act has caused a sharp jump in the cost of D&O insurance for companies going public,” said Joseph A. Grundfest, director of the Stanford Law School Securities Class Action Clearinghouse. “Many IPO issuers have adopted rules that would move this litigation back to federal courts where these claims have traditionally been resolved. The enforceability of these provisions, however, has been challenged, and the IPO market is awaiting a decision by the Delaware Supreme Court that will likely define the contours of federal securities fraud litigation for years to come. That decision will likely be handed down before the end of April.”