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Halliburton Ii: It All Depends On What Defendants Need To Show To Establish No Impact On Price, Merritt B. Fox
Halliburton Ii: It All Depends On What Defendants Need To Show To Establish No Impact On Price, Merritt B. Fox
Faculty Scholarship
Rule 1Ob-5 private damages actions cannot proceed on a class basis unless the plaintiffs are entitled to the fraud-on-the-market presumption of reliance. In Halliburton II, the Supreme Court provides defendants with an opportunity, before class certification, to rebut the fraud-on-the-market presumption through evidece that the misstatement had no effect on the issuer's share price. It left unspecified, however, the standard by which the sufficiency of this evidence should be judged.
This Article explores the two most plausible approaches to setting this standard. One approach would be to impose the same statistical burden on defendants seeking to show there was …