Stock Pops after Valero Energy Ups Guidance on Record Mid-Continent Refining

摘要

Illustrating the value of refining low-cost conventional and unconventional oil, Valero Energy Corp. (NYSE: VLO) announced new upside financial and operating guidance for first-quarter 2011 after-hours on March 2, and its share price popped during the next trading session to close up nearly 8%.