Check out which companies are making headlines before the bell:
Symantec—The cybersecurity software maker has agreed to sell data storage business Veritas to The Carlyle Group for $8 billion in cash, and will use some of that cash to increase its stock buyback program to $2.6 billion. The company also announced an adjusted quarterly profit of 43 cents per share, 3 cents below estimates, with revenue also missing consensus forecasts.
Google—Google unveiled a new operating structure that will see a new parent company named Alphabet, with Google as one of its operating units. Google was upgraded by both Stifel Nicolaus and Mizuho following the announcement.
Gap—The apparel retailer reported a 7 percent drop in July same-store sales at its namesake Gap brand, with a 10 percent drop at Banana Republic. It did report a 3 percent increase at Old Navy. Gap also provided earnings guidance for its current quarter that falls below Street forecasts, amid the overall sales slump and a stronger dollar.
Shake Shack—Shake Shack reported adjusted quarterly profit of 9 cents per share, well above estimates of 3 cents, with revenue also beating forecasts. The restaurant chain also raised its full-year guidance.
Kraft Heinz—The newly formed combination of Kraft Foods and Heinz reported a 4.9 percent sales drop at Kraft and a 4.1 percent decline at Heinz. Combined results were not reported for the most recent quarter.
Rackspace—Rackspace earned 20 cents per share for its latest quarter, matching estimates, with the web hosting company's revenue falling slightly below forecasts. Rackspace is being hurt by tough price competition in the web hosting space, particularly from Amazon.com. Rackspace did add $1 billion to its existing $200 million share buyback program.
Take-Two Interactive—Take-Two missed estimates by 5 cents with adjusted quarterly profit of 31 cents per share, though revenue was above estimates. The video game maker saw expenses jump 30 percent, and it issued full-year guidance that disappointed investors.
Hertz Global—Hertz matched estimates with adjusted quarterly profit of 19 cents per share, with revenue also essentially in line. Hertz was hurt during the quarter by a strong dollar and shrinking car rentals in the United States.
United Continental—The airline reported a 2.8 percent increase in revenue passenger miles for July compared to a year earlier.
Comcast, 21st Century Fox—The two media companies will have both of their share classes included in the S&P 500 following a methodology change. The move will be effective after the close of trading on September 18.
Novavax—A Novavax vaccine was shown in a mid-stage study to be effective against a respiratory virus known as RSV. It would be the first vaccine for that virus, which causes a common cold in most children but more serious illness in others.
Terex—Terex will combine with Finland-based Konecranes in an all-stock deal. Terex is a Connecticut-based construction and materials company.
Facebook—Susquehanna began coverage on the stock with a "positive" rating, citing a number of key growth drivers including video and ad technology.