Valero Energy (VLO -4.2%) is the S&P's leading loser so far after Credit Suisse cuts 2012...

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

Valero Energy (VLO -4.2%) is the S&P's leading loser so far after Credit Suisse cuts 2012 earnings estimates, citing "weak retail margins, VLO-specific refinery maintenance and weak ethanol margins. With a potentially sluggish patch for the economy, refiner shares could consolidate here."