Mealey's (November 15, 2016, 12:18 PM EST) -- HOUSTON — A federal judge in Texas on Nov. 4 granted preliminary approval of a $175 million settlement in a securities class action lawsuit against BP PLC and certain of its executive officers arising out of the Deepwater Horizon oil spill and denied a motion filed by institutional investors to modify the settlement’s opt-out requirements (In re BP p.l.c. Securities Litigation, No. 10-md-2185, S.D. Texas)....