Top Losers

Sarepta Therapeutics (NASDAQ: SRPT) fell 32.51% to $15.90 in pre-market trading on the FDA requirement of additional data from Sarepta on Eteplirsen. GoPro (NASDAQ: GPRO) shares slipped 4.74% to $68.50 in pre-market trading after dropping 9.15% on Friday. Regulus Therapeutics (NASDAQ: RGLS)...

Education Management (NASDAQ: EDMC) shares dipped 47.83% to $0.60 after the company announced its intention to voluntarily delist shares from the NASDAQ. DryShips (NASDAQ: DRYS) shares fell 27% to $1.46 after the company priced 250 million shares of common stock at $1.40 per share. Hub Group (...

Amazon.com (NASDAQ: AMZN) fell 9.91% to $282.13 in pre-market trading after the company reported weaker-than-expected third-quarter results and issued a weak sales forecast for the holiday quarter. NPS Pharmaceuticals (NASDAQ: NPSP) shares slipped 6.46% to $27.20 in pre-market trading after the...

Alcobra (NASDAQ: ADHD) shares dipped 24.82% to $4.27 after the company announced the presentation of new data from Phase III adult ADHD study at AACAP annual meeting. IPC The Hospitalist Company (NASDAQ: IPCM) shares tumbled 20.22% to $37.53 after the company reported downbeat Q3 results and...

Yelp (NYSE: YELP) fell 12.29% to $61.60 in pre-market trading after the company reported upbeat results for the third quarter, but issued a weak Q4 outlook. Citrix Systems (NASDAQ: CTXS) shares slipped 6.62% to $60.49 in pre-market trading after the company reported a 38% drop in its third-quarter...

Himax Technologies (NASDAQ: HIMX) shares slipped 15.09% to $6.81 in pre-market trading after the company disclosed Tuesday that it won't receive further investments from Google (NASDAQ: GOOGL). Cree (NASDAQ: CREE) shares dropped 14.21% to $28.44 in pre-market trading on downbeat Q3 earnings....

Rhino Resource Partners LP (NYSE: RNO) shares declined 52.05% to $5.70 after the company lowered its Q3 distribution to $0.05 per unit from $0.445 per unit. Raymond James downgraded Rhino Resource Partners from Outperform to Underperform. Magnegas (NASDAQ: MNGA) shares dropped 15.38% to $1.10 as...

Omeros (NASDAQ: OMER) shares slipped 14.91% to $11.76 in pre-market trading after the company provided an update on PDE10 inhibitor program. ARM Holdings plc (NASDAQ: ARMH) shares dropped 6.26% to $38.96 in pre-market trading on Q3 results. Chipotle Mexican Grill (NYSE: CMG) shares declined 5.21%...

iBio (NYSE: IBIO) shares slipped 26.48% to $2.36. iBio shares have jumped 791.67% over the past 52 weeks, while the S&P 500 index has gained 8.14% in the same period. NCR (NYSE: NCR) shares fell 16.66% to $24.89 after the company issued a weak Q3 forecast and lowered its 2014 outlook. Lakeland...

Lakeland Industries (NASDAQ: LAKE) shares slipped 12.84% to $14.80 in pre-market trading after dropping 17.93% on Friday. NCR (NYSE: NCR) shares dropped 9.61% to $27.00 in pre-market trading after the company issued a weak Q3 forecast and lowered its 2014 outlook. Steven Madden (NASDAQ: SHOO)...

Repros Therapeutics (NASDAQ: RPRX) shares dropped 39.53% to $6.36 following announcement the FDA meeting will be Type C guidance meeting versus Type B Pre-NDA meeting. Urban Outfitters (NASDAQ: URBN) shares slipped 15.15% to $29.33 after it warned that fourth-quarter profits may be hurt by lower-...

Urban Outfitters (NASDAQ: URBN) shares slipped 13.19% to $30.00 in pre-market trading after it warned that fourth-quarter profits may be hurt by lower-than expected sales. Analysts at Morgan Stanley downgraded Urban Outfitters from Overweight to Equal-weight and lowered the price target from $44 to...

Netflix (NASDAQ: NFLX) shares dipped 22.59% to $347.26 as the company issued a weak forecast for the fourth quarter. During the quarter, Netflix added 3.02 million subscribers, below prior outlook of 3.69 million additions. Extreme Networks (NASDAQ: EXTR) shares dropped 21.14% to $2.97 after the...

Netflix (NASDAQ: NFLX) shares slipped 25.99% to $332.02 in pre-market trading as the company issued a weak forecast for the fourth quarter. During the quarter, Netflix added 3.02 million subscribers, below prior outlook of 3.69 million additions. Baker Hughes (NYSE: BHI) fell 12.08% to $47.15 in...

Shire plc (NASDAQ: SHPG) shares slipped 24.47% to $184.72 in pre-market trading as AbbVie (NYSE: ABBV) said it will reconsider its merger agreement due to proposed changes in tax regulations. American Airlines Group (NASDAQ: AAL) fell 4% to $30.25 in pre-market trading after rising 10.25% on...