Check out which companies are making headlines before the bell:
General Motors (GM)-The auto giant reported first quarter profit of 29 cents per share, two cents above estimates, with revenue falling short of consensus. Excluding items, the company earned six cents per share, down sharply from a year ago. GM's profits were impacted by recall costs, but strong pricing helped support the bottom line.
3M (MMM)-The company reported quarterly profit of $1.79 per share , a cent below estimates, with revenue also shy of consensus. That notwithstanding, the company called the quarter "solid" and maintained its full-year forecast.
Caterpillar (CAT)-The heavy equipment maker beat estimates by a mile with quarterly profit of $1.44 per share. Excluding restructuring costs, the company earned $1.61 per share, with sales also exceeding analyst predictions. Cost cuts helped Caterpillar increase its profits even as it deals with a continuing slowdown in its mining equipment business.
Verizon (VZ)-Verizon fell three cents shy of estimates with quarterly profit of 84 cents per share, excluding certain items, though revenue was slightly above forecasts.
United Continental -The airline lost $1.33 per share for the first quarter, a loss that was two cents smaller than expected. Revenue was very slightly below analyst consensus.
UPS (UPS)- The shipping giant reported quarterly profit of 98 cents per share, ten cents short of estimates, with revenue shy as well. UPS said unusually harsh weather shaved about $200 million off first quarter profit.
Apple (AAPL)-The iPhone maker reported second quarter profit of $11.62 per share, well above estimates of $10.18, with revenue also exceeding estimates. The company also raised its quarterly dividend by eight percent to $3.29 per share, increased its stock buyback program to $90 billion, and announced a seven-for-one stock split .
Facebook (FB)-The social network reported first quarter profit of 34 cents per share, excluding certain items, ten cent above estimates. Revenue also checked in above analyst forecasts. Separately, chief financial officer David Ebersman is stepping down in June, to be succeeded by Vice President David Wehner.
Time Warner Cable (TWC)-The company earned $1.78 per share for the first quarter, ten cents above estimates. The cable operator also added 148 thousand residential customers during the quarter, the most in more than seven years.
Aetna (AET)-The insurer earned $1.98 per share for the first quarter, compared to estimates of $1.55. The company also raised its forecast for the year, after record levels for quarterly earnings, revenue, and medical plan membership levels.
Stanley Black & Decker (SWK)-The tool maker reported profit of $1.07 per share, excluding certain items, 11 cents above estimates. The company said it is benefiting from new cost controls, as well as growth initiatives put in place last year.
Under Armour (UA)-The athletic apparel maker earned six cents per share for the first quarter, two cents above estimates, with revenues well above consensus as well. The company also increased its yearly earnings forecast, as sales in areas like golf and basketball rise.
Eli Lilly (LLY)-The drug maker matched estimates with quarterly profit of 70 cents per share, but revenue was below estimates as sales of depression drug Cymbalta were hit by generic competition. Lilly also cut its earnings forecast for the year.
-By CNBC's Peter Schacknow
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