Shares of Threshold Pharmaceuticals Inc. (NASDAQ: THLD) powered to a new 52-week high of $4.08 on Monday, extending Friday’s gains when investors applauded the news that the company has partnered with German drug maker Merck KGaA to develop Threshold’s cancer-fighting agent TH-302. The drug is currently in a global Phase III clinical trial in patients with soft tissue sarcoma, a randomized Phase II trial in... »»

Red Wood City, Calif.-based Threshold Pharmaceuticals Inc. (NASDAQ: THLD) on Friday announced a co-development and commercialization deal on its experimental cancer-fighting drug, TH-302, with Merck KGaA . The news sent shares in the company surging as much as 133% on above-average volume of over 13 million shares. TH-302 is a hypoxia-targeted drug that is thought to be activated under tumor hypoxic conditions, a hallmark for... »»

Vringo Inc. (VRNG) shares traded as much as 46% to $1.97 higher Thursday, joining other stocks in the social media sector risng amid news of Facebook going public. The stock added $0.35, or 25.9%, to close the session at $1.70 on above-average volume of 3.95 million. Vringo, based out of New York, New York, provides software platforms for mobile social and video applications. With its... »»

Continuing on their winning streak for the third straight day, shares of SNAP Interactive Inc. (OTC: STVI) rose 25.00% to close Wednesday trade at $2.05.  Over 940.15 K shares have traded hands during the session, versus the 10-day average volume of about 209.17 K. The stock is currently above its 50-day and 200-day moving averages of $0.91 and $0.86, respectively. Headquartered in New York City,... »»

Shares of Arena Pharmaceuticals Inc. (Nasdaq: ARNA) continued their gains from the previous two sessions, adding 11.3% to close Monday’s trade at $1.77.  Over 13 million shares traded hands during the session, topping the 10-day average of 2.11 million. Arena shares have gained 8.6% in the last five days, though the stock dropped 5.4% in the last month. Year-to-date, the stock is up 8.6%. San Diego,... »»

Shares of JA Solar Holdings Co. Ltd. (JASO), along with the rest of the solar sector, got a lift Friday after a proposed one-time subsidy cut along with a limit on installations in Germany failed to achieve a unanimous decision. JA Solar saw its shares rose 5.1% to $1.84, continuing its winning streak for the second consecutive day.  Over 8.80 million shares traded hands during... »»