Valero Energy Corporation to Announce First Quarter 2011 Earnings Results on April 26, 2011

(BUSINESS WIRE) -- Valero Energy Corporation /quotes/comstock/13*!vlo/quotes/nls/vlo (VLO 30.18, -0.55, -1.80%) today announced that it will host a conference call on April 26, 2011 at 10:00 a.m. CT to...