The number of securities class action lawsuit filings was up slightly in 2013 compared to 2012, although the 2013 filings remained well below historical averages. While securities litigation picked up in 2013 compared to the year before, the more interesting question going forward is what the impact of the Halliburton case now pending before the U.S. Supreme Court will be; if the Court sets aside the presumption of reliance at the class certification stage based on the “fraud on the market” theory,...
Next spring, in the Halliburton case, the United States Supreme Court is expected to reconsider the Basic ruling that, twenty-five years ago, adopted the fraud-on-the-market theory and has since facilitated securities class action litigation. In this paper we seek to contribute to the expected reconsideration.
We show that, in contrast to claims made by the parties, the Justices need not assess the validity or scientific standing of the efficient market hypothesis; they need not, as it were, decide...
