Check out which companies are making headlines before the bell:
Starwood Hotels & Resorts – CEO Frits Van Paasschen resigned, to be replaced on an interim basis by director Adam Aron.
Lear – The maker of automotive seating systems increased its dividend by 25 percent to 25 cents per share and increased its share repurchase program to $1 billion.
Genuine Parts – The auto parts maker increased its quarterly dividend by 7 percent, to $2.46 per share from $2.30.
Medtronic – The medical device maker reported adjusted quarterly profit of $1.01 per share, 4 cents above estimates, for its latest quarter, while revenue was also above estimates. The company said the results were also above its own forecast, thanks in part to successful new product launches.
Wolverine Worldwide – The maker of Hush Puppies, Keds, and Stride Rite shoes matched estimates with adjusted quarterly profit of 30 cents per share, while revenue was above estimates. However, Wolverine lowered its guidance for the year on weak U.S. sales and the negative effects of a stronger dollar.
Waste Management – The company reported adjusted quarterly profit of 67 cents per share, 7 cents above estimates, though revenue was slightly below. Waste Management is among the many companies pointing to the negative impact of a stronger dollar, although it also projected 2015 earnings that are largely above analyst estimates.
Liberty Global – Liberty may be a takeover target, according to The New York Times' DealBook, though CEO Michael Fries told the paper the company has no plan to sell.
Zillow – Zillow reported adjusted fourth quarter profit of 24 cents per share, 4 cents shy of estimates, as it saw higher expenses. The higher costs included those related to its deal to buy Trulia, a transaction the company said should be completed this week.
Tempur Sealy – The Wall Street Journal said activist investor H Partners wants CEO Mark Sarvary ousted, but the mattress maker has refused to do so.
Macy's – Barclays began coverage of Macy's with an "underweight" rating, pointing to the waning positive influence of luxury vendors that have helped drive Macy's growth over the past few years. Barclays also downgraded Nordstrom to "underweight" from "equal weight," saying it sees the potential for two years of profit margin declines.
Apple - Several reports say Apple is working on an Apple-branded vehicle, with hundreds of employees committed to the effort. Apple declined comment when contacted by CNBC. Separately, Apple is among the stocks included in the latest 13-D filing by David Einhorn's Greenlight Capital, with the firm trimming positions in Apple and Aetna, and dissolving its stake in Cigna.
Time Warner – Time Warner was among the companies in which Greenlight took a new position in its latest filing.
McDonald's – McDonald's is under pressure from shareholder group CtW Investment Group, which is calling for changes to the restaurant chain's board of directors.
Citigroup, Delta Air Lines, and Hertz Global – These companies represent new stakes for Daniel Loeb's Third Point in its latest 13-D filing, with the hedge fund selling stakes in FedEx and Bed Bath & Beyond.
Facebook, Alibaba, and Apple - David Tepper's Appaloosa Management dissolved its stakes in these companies, according to its latest 13-D filing. Appaloosa also cut stakes in Priceline Group and American Airlines Group.
Transocean - Chief Executive Officer Steven Newman has stepped down, to be replaced on an interim basis by chairman Ian Strachan. The oilfield services company also slashed its annual dividend by 80 percent, to 60 cents per share from the prior $3.
General Motors – The automaker is recalling more than 81,000 cars because of a possible issue with electric power steering systems.
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