Check out which companies are making headlines before the bell:
RadioShack (RSH)-The electronics retailer reported a much larger than expected loss, as well as revenue that was well below analyst forecasts. Same store sales fell 19 percent during the fourth quarter, and the company announced plans to cut about 1,100 under performing U.S. stores.
AutoZone (AZO)-The auto parts retailer beat estimates by seven cents with fiscal second quarter profit of $5.63 per share. AutoZone said the severe winter weather helped its sales by accelerating demand for replacement parts.
Intuitive Surgical (ISRG)-Cantor Fitzgerald cut its rating on the surgical products maker to "hold" from "buy", citing valuation.
Cliffs Natural Resources (CLF)-Wells Fargo cut Cliffs Natural to "underperform" from "market perform", saying the macro environment for the mining and natural resources company is "too challenging".
Abercrombie & Fitch (ANF)-Credit Suisse upgraded the teen apparel retailer's shares to "outperform" from "neutral".
Qualcomm (QCOM)-The semiconductor giant increased its quarterly dividend by 20 percent to 42 cents per share, and increased its share buyback authorization by $5 billion.
BP (London Stock Exchange: BP.-GB)-A U.S. court rejects BP's appeal of a ruling involving recoveries related to the 2010 Gulf oil spill . BP had argued that the ruling allowed businesses to collect money even if they could not directly trace losses to the spill.
Vipshop (VIPS)-Vipshop reported fourth quarter profit of 49 cents per share, eight cents above estimates, with revenue beating forecasts by a considerable margin. The China-based online retailer also projected current quarter revenue well above Street forecasts, as sales and profit margins continue to advance.
McDermott International (MDR)-The construction company reported an unexpected fourth quarter loss of $1.37 per share, and saw revenue come in well below analyst forecasts. McDermott is withdrawing its prior financial guidance while it undergoes an organizational revamp.
Ascena Retail Group (ASNA)-The company reported fiscal second quarter profit of 23 cents per share, three cents above estimates. However, the parent of the Dress Barn, Lane Bryant, and Justice retail chains also gave a weaker than expected 2014 forecast amid higher operating costs and a drop in profit at Justice.
Dish Network (DISH)-Dish has struck a long-term carriage deal with Walt Disney (DIS), covering not only carriage of Disney TV networks but also content delivery on smartphones, tablets and other devices.
Hilton Worldwide (HLT)-Hilton was upgraded to "buy" from "neutral" at Goldman Sachs, with analyst Steven Kent citing more clarity from Hilton on its capital allocation plans than from its hotel industry peers.
-By CNBC's Peter Schacknow
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