Mealey's (December 10, 2015, 1:44 PM EST) -- HOUSTON — A federal judge in Texas on Dec. 7 granted a shareholder’s motion for appointment as lead plaintiff, ruling that it has shown that it has the largest financial interest in the litigation and has met all statutory requirements for appointment (In re Plains All American Pipeline L.P. Securities Litigation, No. 15-2404, S.D. Texas; 2015 U.S. Dist. LEXIS 163811)....