Top Losers

Celladon Corp (NASDAQ: CLDN) shares dipped 78.95 percent to $2.88 on the failed CUPID2 trial of MYDICAR in advanced heart failure. Akorn, Inc. (NASDAQ: AKRX) shares declined 18.16 percent to $45.21 following the report of overstatement of revenue and downgrade. The company said it will make...

Celladon Corp (NASDAQ: CLDN) shares fell 74.49 percent to $3.49 in pre-market trading on the failed CUPID2 trial of MYDICAR in advanced heart failure. Akorn, Inc. (NASDAQ: AKRX) fell 13.32 percent to $47.88 in pre-market trading following the report of overstatement of revenue and downgrade. The...

Aerie Pharmaceuticals Inc (NASDAQ: AERI) shares dipped 57.08 percent to $15.19 following an announcement of a failed Phase 3 drug trial for Rhopressa. Canaccord Genuity downgraded Aerie Pharmaceuticals from Buy to Hold and lowered the price target from $40.00 to $12.00. American Superconductor...

Aerie Pharmaceuticals Inc (NASDAQ: AERI) shares fell 56.06 percent to $15.55 in pre-market trading following an announcement of a failed Phase 3 drug trial for Rhopressa. Canaccord Genuity downgraded Aerie Pharmaceuticals from Buy to Hold and lowered the price target from $40.00 to $12.00....

Mobileiron Inc (NASDAQ: MOBL) shares dipped 29.47 percent to $6.70 after the company announced the CFO resignation and lowered its Q1 forecast. Cinedigm Corp (NASDAQ: CIDM) shares fell 21.43 percent to $0.990 after the company announced a private offering of $60 million in convertible senior...

Mobileiron Inc (NASDAQ: MOBL) shares fell 33.16 percent to $6.35 in pre-market trading after the company announced the CFO resignation and lowered its Q1 forecast. Ericsson (ADR) (NASDAQ: ERIC) shares declined 12.05 percent to $11.17 in pre-market trading after the company reported a drop in...

VisionChina Media Inc (ADR) (NASDAQ: VISN) shares fell 16.60 percent to $12.51. VisionChina reported Q4 adjusted loss of $4.56 per ADS on sales of $21.6 million. Natural Resource Partners LP (NYSE: NRP) shares dipped 10.98 percent to $6.16 after the company announced its plans to plan to...

Chipotle Mexican Grill, Inc. (NYSE: CMG) shares fell 4.84 percent to $659.00 in pre-market trading after the company reported better-than-expected earnings for the first quarter, but the company's sales missed analysts' estimates. United Rentals, Inc. (NYSE: URI) shares declined 4.24 percent to...

Novogen Limited (ADR) (NASDAQ: NVGN) shares fell 20.33 percent to $7.35 following the announcement of AU$15.5 million placement. Ultra Clean Holdings Inc (NASDAQ: UCTT) shares declined 15.08 percent to $5.80. Ultra Clean Holdings reported upbeat Q1 earnings, but issued a weak Q2 outlook....

Harley-Davidson Inc (NYSE: HOG) shares fell 6.27 percent to $57.90 in pre-market trading after the company reported upbeat Q1 profit, but cut its sales outlook for 2015. Under Armour Inc (NYSE: UA) shares declined 3.16 percent to $84.99 in pre-market trading after the company reported in-line...

Ampio Pharmaceuticals Inc (NYSE: AMPE) fell 63.66 percent to $2.86 following the announcement of failure of STRIDE study AP008 to reach primary endpoint. FARO Technologies, Inc. (NASDAQ: FARO) tumbled 24.80 percent to $46.80 after the company issued a weak Q1 revenue outlook. Needham downgraded...

Royal Caribbean Cruises Ltd (NYSE: RCL) shares fell 6.09 percent to $74.22 in pre-market trading after the company cut its earnings forecast for 2015. However, the company reported upbeat quarterly earnings. Yandex NV (NASDAQ: YNDX) shares declined 2.57 percent to $20.06 in pre-market trading...

Athersys, Inc. (NASDAQ: ATHX) shares slipped 51.51 percent to $1.06 after the company reported results from Phase 2 study of MultiStem cell therapy for the treatment of ischemic stroke. Professional Diversity Network Inc (NASDAQ: IPDN) shares dipped 31.19 percent to $3.00 after the company...

Advanced Micro Devices, Inc. (NASDAQ: AMD) shares fell 10.80 percent to $2.56 in pre-market trading after the company reported downbeat results for the first quarter. ServiceNow Inc (NYSE: NOW) shares declined 8.50 percent to $75.80 in pre-market trading. ServiceNow reported upbeat earnings for...

Pernix Therapeutics Holdings Inc (NASDAQ: PTX) dipped 14.74 percent to $8.50 after the company issued a disappointing sales guidance and announced a private offering of $120 million of convertible senior notes due 2021. ForceField Energy Inc (NASDAQ: FNRG) fell 14.05 percent to $5.20. ForceField...