ST. LOUIS - Factual disputes preclude summary judgment in litigation over whether two wholesale grocers violated federal antitrust law by entering into an asset-exchange agreement that allegedly allocated customers and markets, the Eighth Circuit U.S. Court of Appeals found May 21 in ruling that a federal district court erred in granting summary judgment to the wholesale grocers (In re Wholesale Grocery Products Antitrust Litigation [D&G, Inc., DeLuca's Market Corp. v. SuperValu, Inc., et al.], No. 13-1297, 8th Cir.; 2014 U.S. App. LEXIS 9412).