Mealey's ( July 13, 2023, 2:46 PM EDT) -- WASHINGTON, D.C. — A nonprofit law firm and two business groups filed two amicus briefs in the U.S. Supreme Court supporting a petition asking the justices to decide whether the Second Circuit U.S. Court of Appeals erred when it held that a failure to make a disclosure under Item 303 of Securities and Exchange Commission Regulation S-K can support a private claim under Section 10(b) of the Securities Exchange Act....