Ener1 Inc. (Nasdaq: HEV) showed a lot of energy Tuesday, advancing 23.6 percent in price to $4.55. Volume was a hefty 18,108,331, 30 times its full-day volume average. The lithium-ion battery maker announced it is teaming up with Wanxiang Electric Vehicle Group Ltd. to manufacture batteries for the Chinese market.
Sprint Nextel Corporation (NYSE: S) had busy trade, with 39,063,758 shares changing hands Tuesday, catching up on a full-day average of 53,171,100. Prices for the stock settled 1.2 percent to $4.39. Sprint said Tuesday that starting Jan. 30 it plans to charge an extra $10 a month for all smartphones getting unlimited data.
BioDelivery Sciences International (Nasdaq: BDSI) fell 13.1 percent to $3.32. Volume for the stock was 447,487 shares, nearly triple its all-day average. BDSI was one of several companies named Tuesday in a patent infringement lawsuit by MonoSol Rx, LLC.