Take a look at some of Tuesday's midday movers:
Nokia moved higher after the mobile-phone maker received Chinese regulatory approval to sell its device and services unit to Microsoft.
Netflix, Priceline.com, Facebook and Tesla all moved higher as investors looked for bargains from the recent tech sell-off.
Rovi moved lower after a U.S. Court of Appeals affirmed a prior judgment of non-infringement by Amazon.com on patents held by Rovi.
American Airlines fell after the carrier lowered its first-quarter guidance, blaming cancellations due to bad weather.
Ctrip.com moved higher after Bloomberg said the Chinese travel service was in talks with rival Qunar about a possible merger. Baidu has a majority interest in Qunar.
Allegiant gained ground after Deutsche Bank upgraded the travel company to buy from hold and set a $130 price target, citing better sales trends and cost controls.
Comcast and Time Warner Cable both lost ground. Comcast, which is the parent of CNBC, told U.S. regulators the merger of the two would not deprive consumers and would help them compete against newcomers like Apple and Google in the video market.
Gigamon plummeted after the technology company cut its revenue outlook because a large international order fell through.
Alkermes rose after its experimental drug to treat schizophrenia did well in a late-stage study.
Gilead Sciences fell on a Bloomberg report pharmacy benefits manager Express Scripts wants Gilead to cut the price of its hepatitis C pill Solvaldi, which costs $1,000 a day.
(Read More: )
—By CNBC's Rich Fisherman.
Questions? Comments? Email us at marketinsider@cnbc.com