The U.S. Supreme Court recently handed down a win for the SEC and private securities litigants, significantly broadening the scope of primary liability under Rule 10b-(5).  In Lorenzo v. SEC, the Court held that liability under Rules 10b-5(a) and (c)—which make it unlawful to employ a scheme to defraud or engage in any practice that operates as a fraud—is not limited only to those who make false or misleading statements as contemplated under sister-section…