Check out which companies are making headlines before the bell:
D.R. Horton — The home builder earned 64 cents per share for its latest quarter, 2 cents above estimates, with revenue also above forecasts on a 19 percent jump in new orders. The company also raised its quarterly dividend by 28 percent to eight cents per share.
Beazer Homes — Unlike rival D.R. Horton, Beazer came in below estimates on both the top and bottom lines as orders were relatively flat. However, Beazer said it is expecting stronger growth in future quarters.
Best Buy — The electronics retailer announced that it is beginning Black Friday deals in stores and online today, and plans to open at 5pm on Thanksgiving Day.
Apple — A Credit Suisse report said the firm's checks indicate that supply chain orders for the iPhone have weakened recently. Credit Suisse is keeping its fourth quarter estimates for iPhone demand, but is cutting forecasts for the first quarter of 2016.
BlackRock — The firm is cutting fees on seven of its exchange-traded funds, including the iShares Core S&P Total U.S. Stock Market ETF. The fee cuts could cost BlackRock $1 million per year in fees, as competition heats up in the ETF market.
Mylan — The generic drug maker said it is "confident" of a successful completion of its tender offer for Perrigo, which expires Friday morning at 8 a.m. ET. Perrigo has resisted Mylan's overtures and has urged shareholders to reject Mylan's advances.
PMC-Sierra — Suitor Microsemi said that the rival chipmaker has deemed its latest takeover bid a "superior proposal" to that offered by Skyworks Solutions. The two bidders have been in a bidding war for PMC, which originally agreed to be bought by Skyworks on October 5.
Wayfair — The online home furnishings retailer lost 13 cents per share for its latest quarter, less than the 24 cents analysts were expecting. Revenue was well above estimates, surging 77 percent from a year earlier in what the company terms "phenomenal" growth.
Mallinckrodt — The company is weather the storm of a negative report about its prospects Monday by short-selling firm Citron Research. The stock was halted twice due to volatility during yesterday's trading and fell to a two-year low, but the company told CNBC it was confident in its business model.
Valeant — Valeant, also a recent target of Citron, holds a conference call with investors this morning to give an update on its specialty pharmacy relationships and business prospects going forward.
Gap — Gap reported a three percent drop in October comparable store sales, and the parent of Gap, Old Navy, and Banana Republic also gave a weak outlook for the just completed third quarter. The apparel retailer is due to report its quarterly results on November 19.
Rackspace — Rackspace earned 26 cents per share for the third quarter, 6 cents above estimates, with revenue also beating forecasts. The cloud computing company also gave upbeat guidance for the current quarter.
Lions Gate Entertainment — The company lost 28 cents per share for its latest quarter, compared to analyst forecasts of a 2 cents per share profit. Revenue was below estimates for the movie studio as well, although Lions Gate said it was positioned for a "very strong" second half of its fiscal year. The company's results were also affected by the shift of certain movie and TV releases to the current quarter.
United Continental — The airline saw its revenue passenger miles jump 3.6 percent in October compared to a year earlier.
Synchrony Financial — Synchrony will replace Genworth Financial in the S&P 500 after the close of trading on November 17. The announcement follows the planned spinoff of General Electric's 85 percent stake in the consumer financial services company.
Vodafone — Vodafone boosted its full year earnings outlook, even in the wake of a first half loss that was largely due to infrastructure costs. The outlook comes amid recovery in the key European market and product enhancements.
AstraZeneca — AstraZeneca reported good results for its experimental lupus drug in a mid-stage trial. The drug maker believes that the drug could eventually generate revenue of $1 billion per year.
Chipotle Mexican Grill — Chipotle may be able to reopen restaurants in Washington state and Oregon on Wednesday, after tests found food samples to be free of the E. coli bacteria. E. coli food poisoning made 43 customers ill in late October, after many had dined at eight Chipotle restaurants in the region.