Top Losers

Fossil Group, Inc. (NASDAQ: FOSL) shares dropped 15.33% to $84.09 after the company reported weaker-than-expected earnings for the fourth quarter. Varonis Systems, Inc. (NASDAQ: VRNS) shares fell 13.43% to $32.42 after the company reported Q4 earnings of $0.06 per share on sales of $33.7 million...

MedAssets, Inc.(NASDAQ: MDAS) shares dropped 16.79% to $16.50 in pre-market trading after the company reported Q4 adjusted earnings of $0.39 per share on revenue of $198.2 million and issued a weak FY earnings outlook. Fossil Group, Inc. (NASDAQ: FOSL) shares declined 14.22% to $85.20 in pre-...

Celsus Therapeutics Plc (NASDAQ: CLTX) shares dropped 81.36% to $1.15 on failed Phase 2 MRX-6 cream trial. Vascular Biogenics Ltd.(NASDAQ: VBLT) shares dipped 55.28% to $6.31 after the company announced the removal of the FDA partial clinical hold on VB-111. VBL Therapeutics announced its plans to...

Vascular Biogenics Ltd.(NASDAQ: VBLT) shares dropped 36.64% to $8.94 in pre-market trading after the company announced the removal of the FDA partial clinical hold on VB-111. VBL Therapeutics announced its plans to discontinue the development of VB-201 in ulcerative colitis and psoriasis following...

Knowles Corporation (NYSE: KN) shares declined 21.26% to $17.04 in pre-market trading after the company reported downbeat Q4 results and issued a weak Q1 outlook. Zynga, Inc.(NASDAQ: ZNGA) shares dropped 12.41% to $2.33 in pre-market trading after the company reported downbeat fourth-quarter...

zulily, Inc.(NASDAQ: ZU) shares tumbled 26.39% to $14.64 after the company reported weaker-than-expected fourth quarter results and issued a downbeat forecast. The company also announced a $250 million buyback. Various analysts downgraded zulily following results. The Cheesecake Factory...

zulily, Inc.(NASDAQ: ZU) shares dropped 24.08% to $15.10 in pre-market trading after the company reported weaker-than-expected fourth quarter results and issued a downbeat forecast. The company also announced a $250 million buyback. Various analysts downgraded zulily following results. Tesla...

Pier 1 Imports, Inc.(NYSE: PIR) shares tumbled 30.52% to $11.79 after the company lowered its outlook for the fiscal year. The company named Laura A. Coffey as Executive Vice President -- Interim Chief Financial Officer. Delcath Systems, Inc. (NASDAQ: DCTH) fell 24.24% to $1.00 after the company...

Pier 1 Imports, Inc.(NYSE: PIR) shares dropped 33.88% to $11.22 in pre-market trading after the company lowered its outlook for the fiscal year. The company named Laura A. Coffey as Executive Vice President -- Interim Chief Financial Officer. Ruckus Wireless, Inc. (NASDAQ: RKUS) shares fell 4.85...

Biocept, Inc. (NASDAQ: BIOC) shares dipped 40% to $1.11 after the company priced $10 million public offering. Coupons.com Incorporated(NYSE: COUP) shares tumbled 33.743% to $9.66 after the company reported a Q4 loss of $0.02 per share on sales of $60 million. The company issued a weak revenue...

Want real-time analysis on these stocks? Try this. Get real-time trading picks and analysis from experts beating the S&P like The Steady Trader. Coupons.com Incorporated(NYSE: COUP) shares dropped 31.77% to $9.90 in pre-market trading after the company reported a Q4 loss of $0.02 per share on...

Speed Commerce, Inc. (NASDAQ: SPDC) shares fell 43.88% to $1.35. Speed Commerce reported a Q3 loss of $0.13 per share on sales of $38.3 million. Fifth Street Finance Corp. (NASDAQ: FSC) shares dropped 15.93% to $7.14. Fifth Street Finance reported a Q1 net loss of $30.7 million. Regulus...

Regulus Therapeutics Inc.(NASDAQ: RGLS) shares dropped 12.57% to $14.74 in pre-market trading after the company reported top-line results from the 4 mg/kg cohort and additional results from the 2 mg/kg cohort in a completed clinical study evaluating RG-101. Fifth Street Finance Corp. (NASDAQ: FSC...

Want an edge on trading volatility? Try this. Get real-time trading picks from market-beating experts like the Steady Trader. Rentrak Corporation (NASDAQ: RENT) shares dipped 38.84% to $49.25 after the company reported Q3 results. Wunderlich downgraded Rentrak from Buy to Hold and...

Pandora Media, Inc.(NYSE: P) shares dropped 18.69% to $14.97 in pre-market trading after the company announced weaker-than-expected financial results for the fourth quarter and issued a weak revenue outlook. Active listeners were 81.5 million at the end of the fourth quarter of 2014, a rise of 7%...