20 Biggest Mid-Day Losers For Monday

Ocera Therapeutics Inc OCRX shares dropped 68.3 percent to $0.650 after the company reported top-line results for Phase 2b study in Hepatic Encephalopathy.
Regulus Therapeutics Inc RGLS shares declined 50 percent to $1.12 after the company received a written communication from the U.S. Food and Drug Administration that the clinical development for the company's RG-101 remains on clinical hold.
Pulmatrix Inc PULM declined 27.9 percent to $2.43 after surging 51.80 percent on Friday. Pulmatrix reported a $5 million registered direct offering.
Tempur Sealy International Inc TPX shares dipped 27.6 percent to $45.74 following announcement of termination of Mattress Firm MFRM contracts.
Opus Bank OPB fell 23.9 percent to $20.75. Opus Bank reported a Q4 loss of $0.55 per share.
Rite Aid Corporation RAD dropped 16.4 percent to $5.79. In a merger amendment publicized Monday morning, Walgreens Boots Alliance Inc WBA and Rite Aid agreed to reduce the value of Rite Aid shares between $6.50 and $7 and to divest a total of 1,200 stores. The initial agreement proposed a divestment of 1,000. The companies also announced the extension of the transaction deadline to July 31.
Rewalk Robotics Ltd RWLK fell 13 percent to $2.00. Rewalk Robotics shares have declined 77.02 percent over the past 52 weeks, while the S&P 500 index has gained 18.32 percent in the same period.
Fitbit Inc FIT shares tumbled 12.1 percent to $6.34 after the company surprised investors with a downward revision to its fourth-quarter guidance and a plan to slash around 6 percent of its total workforce.
Costamare Inc CMRE declined 10.3 percent to $5.39. Credit Suisse downgraded Costamare from Neutral to Underperform.
Globus Maritime Ltd GLBS shares dropped 10 percent to $8.48 after rising 3.51 percent on Friday.
Enbridge Energy Partners, L.P. EEP declined 9.4 percent to $19.33. Mizuho downgraded Enbridge Energy Partners from Buy to Neutral and lowered the price target from $29.00 to $22.00.
Booz Allen Hamilton Holding Corporation BAH dropped 8.3 percent to $33.25 after the company reported weaker-than-expected earnings for its third quarter.
Array Biopharma Inc ARRY declined 7.3 percent to $10.38. Leerink Swann downgraded Array Biopharma from Outperform to Market Perform.
FibroGen Inc FGEN fell 6.7 percent to $21.75. FibroGen disclosed that FG-4592 has met primary endpoints in two Phase 3 anemia studies in China.
Rowan Companies PLC RDC slipped 6.5 percent to $18.02. Jefferies downgraded Rowan from Buy to Hold.
CONSOL Energy Inc. CNX dropped 6 percent to $17.86. SunTrust Robinson Humphrey downgraded CONSOL Energy from Buy to Hold.
Himax Technologies, Inc. (ADR) HIMX shares fell 5.2 percent to $5.13. Baird downgraded Himax from Outperform to Neutral.
Novan Inc NOVN dropped 4.8 percent to $4.62 after dipping 74.01 percent on Friday.
Paycom Software Inc PAYC declined 4.6 percent to $46.94. Pacific Crest downgraded Paycom Software from Overweight to Sector Weight.
Barclays PLC (ADR) BCS fell 3 percent to $11.18. Berenberg downgraded Barclays from Hold to Sell.