Luna Innovations Inc. (Nasdaq: LUNA) shares gained 46.4% to $2.65, on volume of 2.7 million shares, trouncing a daily average around 20,000, after the molecular-technology provider agreed to extend a development agreement with Intuitive Surgical Inc. (Nasdaq: ISRG).
Sprint Nextel Corporation (NYSE: S) dealt in 35.1 million shares, making headway on a daily average of 64.8 million. Prices hiked 1% to $4.61.
SemGroup Corp. (NYSE: SEMG) shares were off 12.5% to $28.40, on volume of 4.2 million shares, towering over its average of 311,583, after the petroleum pipeline and storage provider reported losing $4.9 million in the fourth quarter.