Check out which companies are making headlines before the bell:
Lululemon–The athletic apparel maker reported fourth quarter profit of 75 cents per share, three cents above estimates, and its revenue beat consensus as well despite a two percent drop in same-store sales. The company did forecast current quarter earnings and revenue that are below analyst forecasts.
Baxter International–Baxter has announced plans to split into two separate publicly traded companies, one focusing on bio-pharmaceuticals, the other on medical products.
Winnebago–The manufacturer of recreational vehicles earned 35 cents per share for its second quarter, beating estimates by five cents, with revenue also above forecasts. That came despite production disruptions from severe winter weather.
BlackBerry–Societe Generale downgraded the stock to "sell" from "hold" on a valuation basis, following a recent run-up by the stock.
Accenture–The consulting firm was short of estimates by a penny with fiscal second quarter profit of $1.03 per share. Revenue, however, was above Street predictions, although it slumped versus a year earlier because of falling demand for its consulting services.
Merck–The pharmaceutical giant has named Baxter executive Robert Davis as its new chief financial officer, replacing Peter Kellogg, who is leaving the company next month.
PVH –Goldman Sachs upgraded the clothing maker's shares to "conviction buy" from "buy", based on the increasing value added from last year's acquisition of Warnaco.
Signet Jewelers–The jewelry seller beat estimates by three cents with fourth quarter profit of $2.18 per share, as same store sales increased 4.3 percent.
Citigroup–The mega bank was one of five whose plans for increased dividends and buybacks were rejected by the Federal Reserve. Citi, however, will be able to keep its current buyback and dividend program through the first quarter of next year. Citi will have 30 days to submit a revised plan. The other banks whose plans were rejected included: HSBC, RBS, Santander, and Zions Bancorp. Among the prominent financial companies whose plans were approved: Morgan Stanley, Capital One, PNC, U.S. Bancorp, JPMorgan Chase, American Express, Wells Fargo, and State Street.
Bank of America–B of A had its plans approved as well, and is also in the news for agreeing to pay $9.3 billion to settle a case involving the sale of Fannie Mae and Freddie Mac mortgage bonds during the financial crisis era.
Paychex–Paychex reported fiscal third quarter profit of 44 cents per share, two cents above estimates, with revenue outstripping consensus as well. The company saw increased sales at both its payroll and human resources businesses.
Rio Tinto–The mining company said a faulty tank lining was the cause of a massive uranium leak at an Australian processing plants owned by one of its subsidiaries late last year.
Yum Brands–The restaurant operator is unveiling a revamp of its KFC menu in China, where Yum gets more than half its sales. KFC sales have been hurt since 2012 following reports that the unit's chicken had been fed excess antibiotics.
Twitter –The microblogging site will roll out a new music strategy this week, according to the Wall Street Journal. Last Friday, Twitter pulled its Twitter Music app from Apple's iTunes store less than a year after its debut.
Caesars Entertainment–The gambling operator is closing its Harrah's Tunica casino in Mississippi on June 2, because of falling business and increased competition.
—By CNBC's Peter Schacknow
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