Check out which companies are making headlines before the bell:
Foot Locker—The athletic footwear and apparel retailer earned an adjusted 83 cents per share for its latest quarter, 4 cents above estimates, with revenue also above consensus. Same-store sales were higher by 6.9 percent compared to estimates of a 5.7 percent.
Gap—The parent of Old Navy, Gap, and Banana Republic reported quarterly profit of 80 cents per share, 1 cent above estimates. Revenue was slightly below forecasts, and a comparable store sales drop of 2 percent was in line with analyst projections. However, the retailer did cut its earnings outlook for the year.
Splunk—The maker of data analytics software earned an adjusted 2 cents per share for its latest quarter, beating estimates by 1 cent, while revenue came in well above estimates. Splunk also raised its full-year revenue forecast.
Microsoft—Jefferies began coverage of the stock at "underperform," saying the company still has "challenging fundamentals" to deal with despite improved operational performance over the past year.
Ross Stores—The discount retailer reported quarterly profit of 93 cents per share, 6 cents above estimates, with revenue also exceeding analyst forecasts. Sales at stores open at least a year rose 4 percent, above estimates of a 2.9 percent rise. Ross saw both higher sales and improved operating margins compared to a year earlier.
Caterpillar—Stifel began coverage on the heavy equipment maker with a "buy" rating, saying the company's business is in a cyclical recovery, led by its North American business.
Amazon.com—Nomura initiated coverage on Amazon with a "buy" recommendation, saying the 16 percent year-to-date pullback represents a buying opportunity.
EBay—Evercore downgraded the stock to "sell" from "hold," based on competitive risks for the company's PayPal unit.
Hertz—The car rental company named John Tague as its new chief executive officer, replacing Mark Frissora, who resigned in September. Investor Carl Icahn, who was part of the CEO search committee, said the former United Airlines executive was an excellent choice for the job.
Marvell Technology—The chip maker forecast lower-than-expected revenue for the current quarter on weakening demand for its mobile chips. Earnings for the most recent quarter were in line with analyst estimates.
Sotheby's—Chief Executive Officer William Ruprecht will step down "by mutual agreement" with the auction house's board, although he will remain in the job until a successor is found. That move comes a few months after activist investor Dan Loeb and others joined the Sotheby's board.
Starwood Hotels—The hotel owner and operator announced a special dividend of 65 cents per share, payable December 29 to shareholders of record as of December 8.
AT&T—The company will pay California $52 million to settle a case involving allegedly illegal dumping of hazardous waste.
General Motors—The automaker announced a senior management shift to increase the automaker's focus on quality.