Morning Market Losers

Yingli Green Energy Hold. Co. Ltd. (ADR) YGE shares fell 11.99 percent to $0.640. Yingli Green Energy reported a Q2 ADS loss of $0.53 on revenue of $438.1 million. KaloBios Pharmaceuticals Inc KBIO shares slipped 9.73 percent to $3.62 after jumping 32.34 percent on Friday. Bill Barrett Corporation BBG shares fell 7.88 percent to $4.44. Cowen downgraded Bill Barrett from Market Perform to Underperform and lowered the price target from $5.00 to $1.00. Bonanza Creek Energy Inc BCEI declined 6.78 percent to $7.01. Cowen downgraded Bonanza Creek Energy from Market Perform to Underperform and lowered the price target from $10.00 to $4.00. Denbury Resources Inc. DNR slipped 6.18 percent to $3.34. Cowen & Company downgraded Denbury Resources from Outperform to Market Perform and lowered the price target from $6.00 to $3.00. AcelRx Pharmaceuticals Inc ACRX shares dropped 5.83 percent to $4.04 after gaining 4.13 percent on Friday. Infinera Corp. INFN shares declined 4.81 percent to $20.38. Goldman Sachs downgraded Infinera from Neutral to Sell and lowered the price target from $24.00 to $19.00.