Check out which companies are making headlines before the bell:
Moody's—The ratings agency reported adjusted quarterly profit of $1.12 per share, beating estimates of 95 cents, with revenue also above estimates. Moody's was helped by an increase in U.S. bond issuances.
Marsh & McLennan—The insurer matched estimates with adjusted quarterly profit of 66 cents per share, though revenue was below estimates. Marsh said it saw business increase across all its units and geographic regions.
Exelis—The defense and aerospace company is being bought by communications equipment maker Harris Corporation for $23.75 in cash and stock, or about $4.75 billion. That value represents a 34-percent premium over yesterday's close for Exelis.
Madison Square Garden—MSG earned 78 cents per share for its latest quarter, 3 cents above estimates, while revenue also bested consensus forecasts. The results were driven by better sales in the company's entertainment and sports segments.
EBay—The company restated its quarterly profit to reflect a lower income tax expense. The bottom line was increased to $1.02 billion from the originally reported $936 million.
Twitter—The microblogging website operator doubled estimates with adjusted quarterly profit of 12 cents per share, with revenue also beating consensus. The company said user growth slowed in the fourth quarter but has picked up once again in the new year.
LinkedIn—The social network earned an adjusted 61 cents per share for its latest quarter, 8 cents above estimates, with revenue also scoring a solid beat. The professional social network saw an increasing number of businesses use the service to evaluate prospective employees.
GoPro—The maker of high definition cameras beat estimates by 29 cents with adjusted fourth quarter profit of 99 cents per share, and revenue was also well above analyst forecasts. GoPro did forecast current quarter profit below current Street estimates, and also said its chief operating officer was resigning.
GlaxoSmithKline—The drug maker said a new melanoma drug significantly reduced the number of deaths in a study.
Pandora—The online music service matched estimates with adjusted quarterly profit of 18 cents per share, but revenue fell below analyst projections. Pandora is being hurt by slower ad revenue growth, and Pandora gave a downbeat revenue forecast for the current quarter.
Activision—The video game maker earned an adjusted 94 cents per share for its latest quarter, 6 cents above estimates, with revenue just slightly below forecasts. Activision said the impact of the stronger dollar would hurt its current quarter revenue, but it also announced a dividend increase and a $750 million stock buyback.
CME Group—The exchange operator reported adjusted quarterly profit of 95 cents per share, beating estimates by 2 cents. Revenue also came in above estimates for CME, which cited the pickup in market volatility as a positive factor in the quarter's results.
Buffalo Wild Wings—The company missed estimates by 4 cents with quarterly profit of $1.07 per share, with revenue matching estimates. The restaurant chain did see a more than 5 percent increase in same store sales, and a nearly 20 percent pickup on overall sales.
Expedia—The travel service earned 86 cents per share for its latest quarter, 15 cents below estimates, and its revenue came in slightly below Street forecasts. Expedia did see an increase in bookings, but revenue per room night fell by 10 percent.
Lions Gate Entertainment—The movie studio beat estimates by a penny with quarterly profit of 65 cents per share, but its revenue fell below analyst consensus. Cost cutting helped Lions Gate negate the impact of a revenue decline.
News Corp—The media company earned an adjusted 26 cents per share for its latest quarter, 2 cents above estimates, with revenue slightly above forecasts. News Corp saw a pickup in its book publishing and other businesses, helping offset declining revenue from its print division.
Symantec—The cybersecurity software maker reported an adjust quarterly profit of 53 cents per share, 4 cents above estimates, though Symantec's revenue was below estimates. It also gave a lower than expected forecast for the current quarter.
Yelp—The consumer review website operator came in a penny above estimates with adjusted quarterly profit of 8 cents per share, and its revenue also beat forecasts. Yelp gave a downbeat earnings forecast for 2015, however, because of slowing subscriber growth.
Tempur Sealy—The company reported adjusted quarterly profit of 86 cents per share, beating estimates by a penny, with revenue also above expectations. However, the mattress seller posted light guidance for 2015, warning of the strong dollar's impact.
Dr Pepper Snapple—The soda maker increased its dividend by 17 percent to 48 cents per share, and also announced it would add $1 billion to its stock buyback program.
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