(October 17, 2016, 12:25 PM EDT) -- NEW YORK — Once shareholders have satisfied their burden of showing a presumption of reliance pursuant to the U.S. Supreme Court’s ruling in Basic Inc. v. Levinson, the burden then shifts to the defendants to rebut that “presumption by a preponderance of the evidence,” a group of evidence scholars argue in an amicus curiae brief filed Sept. 15 in the Second Circuit U.S. Court of Appeals (In re Petrobas Securities Litigation, No. 16-1914, 2nd Cir.)....