Stephen Davidoff recently posted a piece on DealBook
entitled “A Push to End Securities Fraud Lawsuits Gains Momentum,” in which he notes
that “Halliburton is asking the Supreme Court to confront one of the
fundamental tenets of securities fraud litigation: a doctrine known as “’fraud
on the market.’” He goes on to provide a
lot of interesting additional details, so you should definitely go read the
whole thing, but I focused on the following:
…In its argument, Halliburton is asking the
Supreme Court to confront one of the fundamental tenets of securities fraud
litigation: a doctrine known as “fraud on the market.” The doctrine has its
origins in the 1986 Supreme Court case Basic v. Levinson. To state a claim for
securities fraud, a shareholder must show “reliance,” meaning that the
shareholder acted in some way based on the fraudulent conduct of the company. In
the Basic case, the Supreme Court held that “eyeball” reliance — a requirement
that a shareholder read the actual documents and relied on those statements
before buying or selling shares — wasn’t necessary. Instead, the court adopted
a presumption, based on the efficient market hypothesis, that all publicly
available information about