Top Losers

Violin Memory Inc (NYSE: VMEM) shares dipped 20.61 percent to $1.04 after the company reported weaker-than-expected Q3 results. The company also announced the exploration of strategic alternatives. Abengoa SA (ADR) (NASDAQ: ABGB) shares dropped 14.59 percent to $2.40 after rising 6.44 percent on...

Abengoa SA (ADR) (NASDAQ: ABGB) fell 19.93 percent to $2.25 in pre-market trading after rising 6.44 percent on Wednesday. Zafgen Inc (NASDAQ: ZFGN) shares tumbled 6.85 percent to $5.85 in pre-market trading after dipping 60.58 percent on Wednesday. SunTrust Robinson Humphrey downgraded Zafgen...

Zafgen Inc (NASDAQ: ZFGN) shares dipped 61.27 percent to $6.17 after the company reported a patient death in clinical update on Beloranib. OncoGenex Pharmaceuticals Inc (NASDAQ: OGXI) shares tumbled 35.87 percent to $1.68 after the company reported that its Phase 3 AFFINITY trial with custirsen...

Zafgen Inc (NASDAQ: ZFGN) fell 57 percent to $6.85 in pre-market trading after the company reported a patient death in clinical update on Beloranib. Abengoa SA (ADR) (NASDAQ: ABGB) shares tumbled 7.58 percent to $2.44 in pre-market trading after gaining 28.16 percent on Tuesday. Columbia...

Breitburn Energy Partners LP (NASDAQ: BBEP) shares dipped 23.08 percent to $1.54 after the company reported the suspension of distribution for common units. Joy Global Inc. (NYSE: JOY) declined 12.90 percent to $13.37. BofA Merrill Lynch's Ross Gilardi downgraded the rating on Joy Global from...

Rex Energy Corporation (NASDAQ: REXX) shares dipped 8.76 percent to $1.25 in pre-market trading after dropping 9.27 percent on Monday. Stifel Nicolaus downgraded Rex Energy from Hold to Sell. Zumiez Inc. (NASDAQ: ZUMZ) fell 1.92 percent to $14.80 in pre-market trading. Analysts at William Blair...

Supercom Ltd (NASDAQ: SPCB) shares tumbled 32.86 percent to $5.17. Supercom expects Q3 revenue of $5.5 million to $6.1 million and FY revenue to exceed $30 million. The company also announced a contract of $8 million. Cyclacel Pharmaceuticals Inc (NASDAQ: CYCC) shares dipped 23.03 percent to $0....

Cyclacel Pharmaceuticals Inc (NASDAQ: CYCC) shares tumbled 21.57 percent to $0.80 in pre-market trading after gaining 47.83 percent on Friday. Martin Shkreli in YouTube live stream on Sunday said that Cyclacel Pharmaceuticals stock is worthless. AEterna Zentaris Inc. (USA) (NASDAQ: AEZS) shares...

Modsys International Ltd (NASDAQ: MDSY) shares tumbled 26.90 percent to $1.25. Modsys International shares have dipped 51.00 percent over the past 52 weeks, while the S&P 500 index has gained 1.03 percent in the same period. Escalon Medical Corp. (NASDAQ: ESMC) shares fell 12.17 percent to $...

JD.Com Inc(ADR) (NASDAQ: JD) fell 2.30 percent to $29.30 in pre-market trading after dropping 1.19 percent on Wednesday. TerraForm Power Inc (NASDAQ: TERP) shares dipped 2.06 percent to $7.12 in pre-market trading after falling 17.67 percent on Wednesday. Cellectis SA (ADR) (NASDAQ: CLLS)...

Abengoa SA (ADR) (NASDAQ: ABGB) shares dipped 46.67 percent to $2.48. Following the failure of its efforts to raise capital, the company announced that it would seek protection from creditors. QAD Inc. (NASDAQ: QADA) shares declined 13.85 percent to $22.40 after the company reported weak Q3...

Abengoa SA (ADR) (NASDAQ: ABGB) fell 44.95 percent to $2.56 in pre-market trading. Following the failure of its efforts to raise capital, the company announced that it would seek protection from creditors. PTC Therapeutics, Inc. (NASDAQ: PTCT) shares declined 11.81 percent to $28.00 in pre-...

UniPixel Inc (NASDAQ: UNXL) shares dipped 47.96 percent to $0.770. UniPixel priced public offering of its common stock and warrants. XBiotech Inc (NASDAQ: XBIT) tumbled 28.30 percent to $9.50. XBiotech issued an update on Phase III oncology study in Europe. Daktronics, Inc. (NASDAQ: DAKT)...

Signet Jewelers Ltd. (NYSE: SIG) fell 8.80 percent to $128.27 in pre-market trading after the company reported weaker-than-expected earnings for the third quarter. Brocade Communications Systems, Inc. (NASDAQ: BRCD) shares declined 7.83 percent to $9.30 in pre-market trading. Brocade reported...

Applied DNA Sciences Inc (NASDAQ: APDN) shares tumbled 29.04 percent to $3.03 after the company reported an offering of 2.5 million shares at $3.49 per share in registered direct public offering. ProQR Therapeutics NV (NASDAQ: PRQR) fell 19.79 percent to $10.50. ProQR Therapeutics reported a Q3...