Shares of Valero Energy (VLO -3.6%) slide after Citigroup cut its rating to Neutral on valuation...

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

Shares of Valero Energy (VLO -3.6%) slide after Citigroup cut its rating to Neutral on valuation after the shares hit a new 52-week high of $34.35 last week.