Top Losers

Rite Aid Corporation (NYSE: RAD) shares dipped 4.19 percent to $8.23 in pre-market trading after the company reported downbeat earnings for the second quarter and issued a weak forecast. Oracle Corporation (NYSE: ORCL) shares fell 2.64 percent to $37.26 in pre-market trading. Oracle Corporation...

Newpark Resources Inc (NYSE: NR) shares tumbled 14.40 percent to $5.29 after the company issued a business update. The company amended its repurchase program and reported a new contract award. Supercom Ltd (NASDAQ: SPCB) shares dipped 10.29 percent to $8.11 after the company reported downbeat Q2...

Sirona Dental Systems, Inc. (NASDAQ: SIRO) shares dipped 6.35 percent to $93.00 in pre-market trading. DENTSPLY International Inc. (NASDAQ: XRAY) and Sirona Dental Systems reported that the companies will combine in an all-stock merger deal. Stifel Nicolaus downgraded Sirona Dental Systems from...

XenoPort, Inc. (NASDAQ: XNPT) shares dipped 22.14 percent to $5.24. XenoPort reported positive Phase 2 study results for XP23829 as a potential treatment for patients with psoriasis. Shiloh Industries, Inc. (NASDAQ: SHLO) shares dropped 21.03 percent to $8.10. Shiloh Industries reported Q3...

Yahoo! Inc. (NASDAQ: YHOO) shares dipped 3.20 percent to $29.35 in pre-market trading after falling 3.53 percent on Monday. Vodafone Group Plc (ADR) (NASDAQ: VOD) shares fell 2.68 percent to $33.37 in pre-market trading after declining 1.15 percent on Monday. Raptor Pharmaceutical Corp. (...

Raptor Pharmaceutical Corp. (NASDAQ: RPTP) shares declined 28.97 percent to $8.55 following news that Phase 2b CyNCh trial did not meet primary endpoint. Timkensteel Corp (NYSE: TMST) shares dropped 13.53 percent to $13.49 after the company issued an updated forecast for the third quarter. Cowen...

Raptor Pharmaceutical Corp. (NASDAQ: RPTP) shares dipped 32.83 percent to $8.08 in pre-market trading following news that Phase 2b CyNCh trial did not meet primary endpoint. Randgold Resources Ltd. (ADR) (NASDAQ: GOLD) shares fell 2.63 percent to $56.32 in pre-market trading. Analysts at JP...

Cherokee Inc (NASDAQ: CHKE) shares tumbled 31.44 percent to $16.53 after the company reported weaker-than-expected results for its fiscal second quarter. Energy Focus Inc (NASDAQ: EFOI) shares dipped 25.24 percent to $17.19 after the company announced the pricing of 1.5 million shares of common...

Cherokee Inc (NASDAQ: CHKE) shares dipped 33.64 percent to $16.00 in pre-market trading after the company reported weaker-than-expected results for its fiscal second quarter. Zumiez Inc. (NASDAQ: ZUMZ) shares fell 18.19 percent to $17.72 in pre-market trading after the company issued a weak...

Krispy Kreme Doughnuts (NYSE: KKD) shares dipped 15.40 percent to $15.00 after the company reported weaker-than-expected results for the second quarter and lowered its forecast for the year. American Midstream Partners LP (NYSE: AMID) fell 13.98 percent to $10.21 after the company announced the...

Krispy Kreme Doughnuts (NYSE: KKD) shares fell 17.09 percent to $14.70 in pre-market trading after the company reported weaker-than-expected results for the second quarter and lowered its forecast for the year. Lululemon Athletica inc. (NASDAQ: LULU) dropped 3.98 percent to $61.50 in pre-market...

Tetraphase Pharmaceuticals Inc (NASDAQ: TTPH) shares dipped 78.70 percent to $9.54 after failing to meet the primary endpoint of statistical non-inferiority for IGNITE2, compared to levofloxacin. Flexion Therapeutics Inc (NASDAQ: FLXN) dropped 30.28 percent to $20.22 after failing to demonstrate...

Tetraphase Pharmaceuticals Inc (NASDAQ: TTPH) shares fell 79.57 percent to $9.15 in pre-market trading after failing to meet the primary endpoint of statistical non-inferiority for IGNITE2, compared to levofloxacin. Flexion Therapeutics Inc (NASDAQ: FLXN) fell 27.93 percent to $20.90 in pre-...

Yingli Green Energy Hold. Co. Ltd. (ADR) (NYSE: 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 (NASDAQ: KBIO) shares slipped 9.73 percent to $3.62 after jumping 32.34 percent on Friday. Bill...

AcelRx Pharmaceuticals Inc (NASDAQ: ACRX) shares fell 6.76 percent to $4 in pre-market trading after gaining 4.13 percent on Friday. Yingli Green Energy Hold. Co. Ltd. (ADR) (NYSE: YGE) shares dropped 13.31 percent to $0.63 in pre-market trading. Yingli Green Energy reported a Q2 ADS loss of $0....