HSBC Securities upgraded Youku Tudou Inc. (NYSE: YOKU) but the stock price tumbled $1.98 to close at $19.10....

Profit taking sanks shares of Uni-Pixel Inc. (Nasdaq: UNXL) $9.55 to close at $27.19....

A Seeking Alpha contributor noted that Real Goods Solar Inc. (Nasdaq: RSOL) had strong growth potential. Shares of the solar energy solutions company more than doubled by leaping $2.28 to close at $4.03....

Shares of SolarCity Corp. (NYSE: SCTY) continued rising by jumping $9.85 to $45.53 after announcing yesterday an agreement with Goldman Sachs to provide more than $500 million in lease financing for solar power projects....

Autodesk Inc. (Nasdaq: ADSK) disappointed with lower first quarter earnings of 24 cents per share compared with 34 cents per share in the year ago period that fell short of expectations, forecast current quarter results below estimates and cut its...

Aruba Networks Inc. (Nasdaq: ARUN) fell to a loss for the third quarter of 18 cents per share compared with earnings of 5 cents per share in the year ago period as expenses climbed prompting downgrades. The stock price plunged...

Aegerion Pharmaceuticals Inc. (NYSE: AEGR) expects a potential of up to $1 billion in global sales of its recently approved Juxtapid. Shares of the biopharmaceutical jumped $14.73 to close at $61.70....

Shares of DryShips Inc. (Nasdaq: DRYS) climbed 23 cents to close at $2.10 after rival Eagle Bulk Shipping Inc. (Nasdaq: EGLE) posted a profit for the first quarter. Eagle Bulk stock leaped $1.92 to close at $5.48....

Infinity Pharmaceuticals Inc. (Nasdaq: INFI) will present clinical trial data for its IPI-145 at two upcoming conferences. The stock price plummeted $7.12 to close at $24.32....

Eagle Bulk Shipping Inc. (Nasdaq: EGLE) reversed year ago losses of $1.11 per share to post a profit for the first quarter of 8 cents per share as revenue climbed. Shares of the dry bulk shipper leaped $1.84 to $5.40....

Goldman Sachs downgraded Advanced Micro Devices Inc. (NYSE: AMD) to a Sell rating sending the stock price down 55 cents to $3.83....

Cisco Systems Inc. (Nasdaq: CSCO) reported higher third quarter earnings of 46 cents per share compared with 40 cents per share in the year ago period that topped analyst estimates. Shares of the network equipment maker soared $2.62 to $23.83....

Computer Sciences Corp. (NYSE: CSC) swung to a profit for the fourth quarter of $1.84 per share compared with a loss of $1.02 per share in the year ago period but revenue fell to miss analyst expectations. The stock price...

Comstock Holding Companies Inc. (Nasdaq: CHCI) reported a first quarter profit of 3 cents per diluted share compared with 19 cents per diluted share last year but revenue surged. The stock price rose 77 cents to close at $3.28....

The ExOne Co. (Nasdaq: XONE) widened first quarter losses more than expected to 20 cents per share sending the stock price plummeting $7.45 to close at $41.15....

Deere & Co. (NYSE: DE) reported higher second quarter earnings of $2.76 per share compared with $2.61 per share a year earlier that topped analyst estimates but the company warned of slower sales growth. The stock price plummeted $4.29 to...

Cal Dive International Inc. (NYSE: DVR) received two additional contracts from Pemex Exploracion y Produccion. Shares of the marine contractor climbed 37 cents to $2.02....

SunPower Corp. (Nasdaq: SPWR) forecast second quarter earnings ahead of estimates and full year revenue above expectations. The stock price soared $2.91 to $21.94....

SolarCity Corp. (Nasdaq: SCTY) fell to a greater than expected loss for the first quarter of 41 cents per share compared with earnings of 4 cents per share in the year ago period. The stock price plummeted $4.44 to close...

Velti (Nasdaq: VELT) widened first quarter losses to $2.38 per diluted share from 14 cents per share last year as revenue dropped more than expected and warned that full year revenue would fall short of previous guidance. Shares of the...

Oppenheimer lifted its price target for SodaStream International Ltd. (Nasdaq: SODA) from $60 to $68 sending the stock price soaring $6.79 to close at $64.08....

Trina Solar Ltd. (NYSE: TSL) cut its solar module shipment forecast for the first quarter sending the stock price down 52 cents to close at $5.41....

Nokia Corp.'s (NYSE: NOK) mobile phone market share fell to 14.8% from 19.7% in the first quarter sending the stock price down 22 cents to $3.62....

Hedge fund Third Point suggested that Sony Corp. (NYSE: SNE) sell part of its entertainment business. The stock price soared $1.95 to $20.85....

Insider Monkey wrote that a Microsoft Corp. (Nasdaq: MSFT) employee denied rumors that the company was preparing to acquire Nook Media from Barnes & Noble Inc. (NYSE: BKS). Shares of Microsoft rose 34 cents to close at $33.03 while Barnes...

Canaccord Genuity analyst Bobby Burleson lifted his price target on 3D Systems (Nasdaq: DDD) to $50 from $45. Shares of the 3D printer maker leaped $3.30 to close at $47.15....

Shares of SolarCity Corp. (Nasdaq: SCTY) soared $7.00 to close at $35.88 ahead of its first quarter earnings release after market close this afternoon....

Tesla Motors Inc. (Nasdaq: TSLA) stock continued advancing by leaping $8.33 to $85.09 after reporting a quarterly profit for the very first time last week and receiving a near perfect score for the Model S from Consumer Reports....

Theravance Inc. (NYSE: THRX) will receive $1 billion in royalty payments from Elan Corp. (NYSE: ELN) for four respiratory drugs. Shares of Theravance leaped $5.60 to $40.54 while Elan stock slipped 31 cents to $11.47....

Shares of Unilife Corp. (Nasdaq: UNIS) continued rising by climbing 53 cents to $3.53 after reporting a smaller first quarter loss last week....