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Article

Haynes and Boone LLP | USA | 25 Jun 2014

Halliburton II: Supreme Court holds that fraud-on-the-market theory survives but defendants may rebut presumption at class certification

The Supreme Court issued a decision on June 23rd in the closely watched case of Halliburton Co. v. Erica P. John Fund, Inc., 573 U.S. ___ (2014)

Article

Haynes and Boone LLP | USA | 4 Mar 2013

Amgen Inc. v. Connecticut Retirement Plans & Trust Funds: Supreme Court rejects proof of materiality at the class certification stage

On February 27, 2013, the Supreme Court held in a 6-3 opinion in Amgen Inc. v. Connecticut Retirement Plans and Trust Funds, 568 U.S. ___ (2013)

Article

Haynes and Boone LLP | USA | 14 Aug 2012

Rosado v. China North East Petroleum Holdings Ltd.: Second Circuit holds stock price recovery after alleged fraud does not bar securities suit

In a recent decision, the Second Circuit Court of Appeals considered the issue of stock price rebounds in reviving a securities fraud class action suit that had been dismissed by the district court for failure to adequately allege an economic loss as a matter of law.

Article

Haynes and Boone LLP | USA | 27 Jul 2012

Hubbard v. Bankatlantic Bancorp, Inc.: Eleventh Circuit rejects event study as insufficient to isolate effects of alleged fraud on company’s stock price

This week, the Eleventh Circuit Court of Appeals rejected an expert witness’ event study as insufficient to demonstrate loss causation at trial in a securities fraud class action.

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