Check out which companies are making headlines before the bell:
Amazon.com—Amazon stunned investors by posting a profit. Amazon earned 19 cents per share for its latest quarter, in contrast to the 14 cents per share loss that analysts were expecting. The online retail giant also gave upbeat guidance for the current quarter.
Spirit Airlines—The airline posted adjusted quarterly profit of $1.05 per share, 4 cents above estimates, though revenue was slightly below forecasts. Spirit flew more flights and routes than it had a year earlier, although the company did note that it dealt with significantly more bad weather during the quarter.
Biogen Idec—The drug maker's adjusted quarterly profit of $4.22 per share beat forecasts by 12 cents, but revenue came in below forecasts. The company also lowered full year guidance because of slower than expected growth for its multiple sclerosis pill Tecfidera.
Moody's—The rating agency beat estimates by 6 cents with quarterly profit of $1.28 per share, and revenue also scored a solid beat. Moody's upbeat quarter came despite less than favorable growth conditions and foreign currency volatility.
VF Corp.—The maker of North Face, Wrangler, and other apparel brands reported quarterly profit of 40 cents per share, 4 cents above estimates, with revenue also beating forecasts. VF also raised its outlook for the full year, even with profit margins having fallen 10 basis points during the quarter from a year earlier.
American Airlines Group—The airline reported adjusted quarterly profit of $2.62 per share, 2 cents above estimates, with revenue very slightly below Street consensus. The company also announced the authorization of an addition $2 billion in share buybacks.
AT&T—AT&T reported adjusted quarterly profit of 69 cents per share, 6 cents above estimates, with revenue essentially in line as its wireless service added more customers.
Pandora—Pandora beat estimates by 3 cents with adjusted quarterly profit of 5 cents per share, and the online radio service's revenue was also above estimates on a jump in both subscribers and advertising revenue. Pandora also raised its full-year forecast.
Visa—Visa earned an adjusted 74 cents per share for its latest quarter, 15 cents above estimates. The credit card issuer's revenue also surpassed analyst forecasts, and Visa said it was in talks to rejoin former subsidiary Visa Europe.
Starbucks—Starbucks saw its latest adjusted earnings per share come in 1 cent above estimates at 42 cents, with revenue in line. The coffee chain was helped by new drinks and increased food sales. Starbucks also announced an increase of 50 million shares in its stock buyback program.
Juniper Networks—Juniper scored a 13 cent beat with adjusted quarterly profit of 53 cents per share, and revenue was also above Street forecasts. The networking equipment maker also gave strong earnings and revenue guidance for the current quarter.
TripAdvisor—TripAdvisor missed estimates by 1 cent with adjusted quarterly profit of 54 cents per share, and it missed on the top line as well. The travel website operator did see a 25 percent increase in sales, but that was weaker growth than the Street had been forecasting.
TrueCar—TrueCar said its second quarter loss may widen to as much as $15.5 million, and the online auto shopping site also cut its full year forecast. Fewer customers have been visiting the site to make car purchases.
GlaxoSmithKline—The drug maker got approval from European regulators for the first ever malaria vaccine.
DirecTV—The satellite TV provider and AT&T will get FCC approval today for their planned merger, according to Reuters. That comes after the Justice Department decided to let the deal proceed without objections.
Comcast—The NBCUniversal parent has held preliminary talks with a number of online publishers about possible acquisitions, according to The Wall Street Journal, which says the talks included Vice Media, BuzzFeed, and Business Insider. (Disclosure: Comcast is parent of NBCUniversal and CNBC.)