( October 6, 2025, 1:31 PM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on Oct. 6 declined to hear a trading company’s petition for a writ of certiorari asking the court to determine whether a nonsignatory to an arbitration agreement can compel a signatory to arbitrate a dispute between them to address a split among appellate courts. The trading company sought to arbitrate securities fraud claims brought against it by investors who signed an arbitration agreement with another party to the alleged fraud....