Valero (VLO -1.6%) extends last week's ~10% decline as it begins shutting several units for...

|About: Valero Energy Corporation (VLO)|By:, SA News Editor

Valero (VLO -1.6%) extends last week's ~10% decline as it begins shutting several units for planned maintenance, including a gasoline-making fluid catalytic cracking unit at its 156K bbl/day McKee refinery in Sunray, Tex.