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Check out which companies are making headlines before the bell:

General Motors — The automaker earned $1.86 per share, well above estimates of $1.52 a share. Revenue beat forecasts, as well. GM also raised its full-year outlook and reported its first European profit in five years.

Southwest Airlines — Southwest came in two cents a share below estimates with adjusted quarterly profit of $1.19 per share. Revenue was also below forecasts. Although Southwest was helped by low fuel prices and record load factors, CEO Gary Kelly said the industry's fare environment remains challenging.

DR Horton — The home builder matched estimates with quarterly profit of 66 cents per share, though revenue was below forecasts. The company did see a 13 percent increase in sale orders but also had a cancellation rate of 21 percent.

PulteGroup — PulteGroup came in two cents a share above estimates, with earnings per share of 34 cents. Revenue beat Street forecasts, as well. The home builder's results were helped by selling more homes at higher prices.

Travelers — The insurer reported quarterly profit of $2.20 a share, 13 cents a share above estimates. Revenue also beat forecasts, despite an increase in casualty losses compared to a year ago.

Alaska Air — The airline's quarterly profit came in three cents a share above estimates at an adjusted $2.12 per share. Revenue was essentially in line with expectations. Lower fuel prices helped Alaska Air's bottom line.

Dunkin' Brands — The donut and coffee shop chain reported quarterly profit of 57 cents per share, one cent a share above estimates. Revenue missed forecasts. Dunkin' also cut its 2016 revenue growth target, due to the sale of many of its company-owned stores.

American Express — The company reported quarterly profit of $2.10 per share, 15 cents a share above estimates. Revenue was below Street forecasts. The financial services company noted strength in its international business, and reaffirmed its prior earnings outlook for both 2016 and 2017.

Intel — Intel beat estimates by six cents a share, with adjusted quarterly profit of $0.59 per share. Revenue was essentially in line with estimates. Investors are focusing on a drop in the chipmaker's data center business, a highly profitable part of Intel's operation.

Qualcomm — Qualcomm reported adjusted quarterly profit of $1.16 per share, well above consensus estimates of $0.97 a share. The chipmaker's revenue also easily beat analysts' forecasts. Qualcomm saw increased demand for its mobile semiconductors and also sold more licenses in China.

EBay — EBay came in a penny a share above estimates, with adjusted quarterly profit of 43 cents per share. Revenue was slightly above forecasts. The online retailer also raised its sales forecast for the full year, and authorized an additional $2.5 billion stock repurchase program.

Mattel — Mattel lost two cents per share for its latest quarter, but that loss was three cents a share smaller than analysts had anticipated. The toy maker's revenue was above estimates, thanks to improved sales in its Barbie line after a revamp of that product line.

Newmont Mining — Newmont trounced estimates by 14 cents a share with adjusted quarterly profit of 44 cents per share. The gold miner's revenue also beat estimates. Of particular note was a cut in Newmont's cost estimates.

Joy Global — The mining equipment maker will be bought by Japan's Komatsu for $2.9 billion or $28.30 per share in cash. That represents a more than 20 percent premium over Wednesday's close of $23.55.

Anheuser-Busch InBev — The beer brewer and rival SABMiller won approval from U.S. regulators for their $107 billion merger, leaving China as the only country that still needs to give its approval. AB InBev said it continues to expect the deal to close before the end of the year.

InterOil Corp. — InterOil will be bought by Exxon Mobil for $2.2 billion, after Australia's Oil Search dropped out of the bidding.

Tesla — CEO Elon Musk released his "master plan" for Tesla, including development of all-electric pickup trucks, SUVs, large trucks, and buses.

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