Pre-Open Stock Movers 05/13: (WPZ) (HDP) (PLL) Higher; (OREX) (VSLR) (DD) Lower (more…) by Street InsiderMay 13, 2015April 15, 2020069 Williams Partners L.P. (NYSE: WPZ) 21.7% HIGHER; Williams (NYSE: WMB) and Williams Partners L.P. (NYSE: WPZ) today announced an agreement under which Williams will acquire all of the
