Check out which companies are making headlines before the bell on Tuesday:
Take-Two Interactive —Take-Two reported fiscal fourth quarter profit of $0.38 per share, 15 cents above estimates, with revenue also well above consensus. The video game maker was helped by strong sales of its "BioShock Infinite" game.
Dell — Investor Carl Icahn is proposing a slate of directors that includes himself, as he pushes a proposal to have Dell return $12 per share in cash or stock to shareholders.
WellPoint — Directors Lenox Baker, Susan Bayh, and Sheila Burke have resigned from the health benefits provider's board. The company said the departures were for personal reasons and that there are no disputes between the departed directors and fellow board members or with WellPoint.
Sony — Hedge fund Third Point is calling for Sony to spin off its entertainment division through an initial public offering, saying the move could result in a jump in Sony shares of as much as 60 percent.
Wal-Mart — Citi has removed the retail giant's stock from its Top Picks list, saying February sales got off to a weak start and that that trend may have continued into March and April.
Dean Foods — Montgomery Scott has upgraded the stock to "buy" from "neutral", citing the upcoming spin-off of White Wave. The transaction will give Dean Foods both financial flexibility and focus, according to Janney.
Nokia — The handset making has unveiled a new version of its Lumia smartphone with a metal case and upgraded camera design.
BlackBerry — CEO Thorsten Heins will speak this morning at a three-day conference in Orlando, Florida, amid speculation he will unveil a new, lower-priced BlackBerry device.
Visa —The credit card company has agreed to reduce some of its fees following a European Union probe. The reduction is designed to address antitrust concerns.
Clorox — The consumer products maker raised its quarterly dividend to $0.71 per share from $0.64, an increase of 11 percent.
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Peter Schacknow
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