Mealey's (June 6, 2019, 11:23 AM EDT) -- PHILADELPHIA — Without providing further detail, a Third Circuit U.S. Court of Appeals panel on June 4 vacated its December ruling in a securities class action lawsuit stemming from M&T Bank Corp.’s acquisition of another bank and granted the defendants’ petition for panel rehearing (David Jaroslawicz v. M&T Bank Corp., et al., No. 17-3695, 3rd Cir.)....