Citigroup analyst Andrew S. Baum upgraded Bristol-Myers Squibb Co. (NYSE: BMY) to a Buy rating saying that the biopharmaceutical's cancer drug Nivolumab may be approved in early 2014 sending the stock price soaring $2.34 to close at $46.40....

Saks Inc. (NYSE: SKS) retained the services of Goldman Sachs to explore strategic alternatives including a possible sale. The stock price soared $1.83 to close at $15.50....

Concerns that the European Union will impose stiff tariffs on Chinese solar imports weighed down shares of JA Solar Holdings Co. Ltd. (Nasdaq: JASO) $1.31 to close at $8.17, LDK Solar Co. Ltd. (NYSE: LDK) 38 cents to close at...

Cleantech Solutions International Inc. (Nasdaq: CLNT) received certification to supply components to China Petroleum and Chemical Corporation and China National Petroleum Corporation. The stock price more than doubled by soaring $5.17 to $8.91....

Goodman Networks will pay a premium of $3.25 per share in cash to acquire Multiband Corp. (Nasdaq: MBND) sending the stock price soaring 63 cents to $3.21....

A Seeking Alpha contributor expects MannKind Corp. (Nasdaq: MNKD) to be acquired. The stock price climbed 76 cents to $6.12....

First quarter earnings slipped for Saks Inc. (NYSE: SKS) to 13 cents per diluted share compared with 18 cents per diluted share in the year ago period but same store sales rose more than expected. Separately, the New York Post...

Sony Corp. (NYSE: SNE) may explore the possibility of spinning off its entertainment business, a suggestion that was made last week by 6% shareholder Third Point. The stock price soared $1.94 to close at $22.91....

FX Energy Inc. (Nasdaq: FXEN) reported successful results from a test at its Tuchola-3K well. The stock price surged $1.35 to close at $4.90....

Lux Research analyst Ed Cahill expects the oversupply of photovoltaic modules to end by 2015 with revenue soaring to $155 billion in 2018. Shares of LDK Solar Co. Ltd. (NYSE: LDK) rose 19 cents to $2.02,  Renesola Ltd. (NYSE: SOL)...

National Bank of Greece (NYSE: NBG) stock continued falling by losing 15 cents to $1.43 after announcing plans to sell 2.27 billion shares at $5.50 per share after a 1 for 10 reverse stock split....

Yingli Green Energy Holdings Co. Ltd. (NYSE: YGE) expects photovoltaic module shipments to slip 6%-7% sequentially in the first quarter, an improvement over its previous expectation for a low to mid teen percent decrease. The stock price leaped 55 cents...

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....