On Nov. 15, the U.S. Supreme Court granted Halliburton Co.'s second petition for writ of certiorari in the Erica P. John Fund v. Halliburton, No. 13-317, securities litigation, this time to consider whether to "overrule or substantially modify the holding of Basic v. Levinson, 485 U.S. 224 (1988), to the extent it allows a presumption of classwide reliance under the fraud-on-the-market theory," and, if the court does not overrule Basic, to decide whether a defendant "may rebut the presumption an