Upbeat earnings from JA Solar Holdings Co. Ltd. (Nasdaq: JASO) lifted shares of LDK Solar Co. Ltd. (NYSE: LDK) 31 cents to close at $1.83, Trina Solar Ltd. (NYSE: TSL) $1.15 to close at $6.78 and Yingli Green Energy Holding...

Profit taking sank shares of National Bank of Greece (NYSE: NBG) 81 cents to close at $1.58....

Vista Equity Partners will take Websense Inc. (Nasdaq: WBSN) private for a premium of approximately $906 billion. The stock price leaped $5.53 to close at $24.76....

Peregrine Pharmaceuticals Inc. (Nasdaq: PPHM) reached an agreement with the Food and Drug Administration on the design of a Phase III trial for its lung cancer treatment bavituximab. Shares of the biopharmaceutical rose 28 cents to $1.82....

Shares of Real Goods Solar Inc. (Nasdaq: RSOL) continued rising by jumping $2.69 to $6.72 after a Seeking Alpha contributor wrote on Friday that the stock had strong growth potential....

JA Solar Holdings Co. Ltd. (Nasdaq: JASO) narrowed first quarter losses to 85 cents per American Depositary Share from $1.03 per ADS in the year ago period as revenue rose. The stock price leaped $2.99 to $8.60....

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....