Benzinga's Top Downgrades

Analysts at Piper Jaffray downgraded E. I. du Pont de Nemours and Company

from “overweight” to “neutral.” DuPont's shares closed at $44.15 on Friday. DuPont's trailing-twelve-month ROA is 6.07%. Analysts at FBR Capital downgraded Southwestern Energy Co

from “outperform” to “market perform.” Southwestern Energy's shares closed at $35.91 on Friday. Southwestern Energy's trailing-twelve-month profit margin is -13.65%. Analysts at JMP Securities downgraded Dolby Laboratories

from “market perform” to “underperform.” Dolby's shares closed at $34.10 on Friday. Dolby's trailing-twelve-month ROA is 13.43%. Canaccord downgraded Penn West Petroleum Ltd

from “buy” to “hold.” Penn West Petroleum's shares closed at $12.15 on Friday. Penn West Petroleum's PEG ratio is 1.94.