Check out which companies are making headlines before the bell:
Alcoa — The company reported adjusted quarterly profit of 7 cents per share, missing estimates by 6 cents. Revenue was also below forecasts due to lower aluminum prices, although the company did lower its 2015 aluminum surplus outlook.
Ascena Retail — Private equity firm Golden Gate Capital has taken a 9 percent stake in the parent of retail chains Dress Barn, Lane Bryant, and Ann Taylor. Golden Gate said it is discussing ways of increasing shareholder value with Ascena's management.
SeaWorld Entertainment — The California Coastal Commission approved $100 million for an expansion of SeaWorld's killer whale tanks, but also banned the company from breeding those whales in captivity.
Eli Lilly — Credit Suisse upgraded the drug maker's stock to "outperform" from "neutral," citing Lilly's the diversity of Lilly's pipeline among other factors.
21st Century Fox — Pacific Crest began coverage on the media company with an "overweight" rating, pointing to benefits from sports programming as well as international growth prospects.
Wells Fargo — The bank's shares were upgraded to "overweight" from "neutral" at JPMorgan Chase, on more share buybacks, an attractive dividend yield, and benefits from diversified businesses.
Ruby Tuesday — Ruby Tuesday lost 3 cents per share for its latest quarter, with the restaurant chain's revenue matching estimates and same-restaurant sales rising 0.6 percent. Ruby Tuesday's loss comes amid increased spending for restaurant repairs and maintenance, but the company is sticking to its prior earnings forecast for the full year.
Tesla — The automaker was downgraded to "underweight" from "equal weight" at Barclays, which questions the company's ability to become a mass market original equipment manufacturer.
Helen of Troy — Helen of Troy beat estimates by 19 cents with adjusted quarterly profit of $1.12 per share, with revenue well above Street forecasts. The maker of personal care products also raised the lower end of its full-year revenue and earnings forecast.
Gap — Gap reported September same-store sales dropped 1 percent compared to a year ago, and called the month "challenging." The apparel retailer's sales drop was, however, smaller than analysts had forecast. The biggest slump came at Old Navy, with comparable sales down 10 percent, while Gap-branded stores saw flat sales and Old Navy registered a 4 percent increase.
Apple — Apple Pay will be accepted at Starbucks this y ear, while KFC and Chili's will begin accepting Apple Pay sometime next year, according to Apple Vice President Jennifer Bailey. Separately, Delta Air Lines announced its customers can now book and pay for flights using Apple Pay through the airline's Fly Delta app.
Johnson & Johnson — The medical products maker has begun a clinical trial of its experimental Ebola vaccine in Sierra Leone.
Fiat Chrysler — The company's new tentative four-year contract with the United Auto Workers union eliminates the controversial two-tier pay system, according to sources quoted by Reuters. The automaker and the union had struck a prior four-year deal, but that proposal was rejected by the union's membership.
United Continental — The airline raised its profit margin forecast for the just-ended third quarter. The increase stems in part from a new credit card agreement for frequent fliers, which will provide the airline with extra revenue.
Twitter — Twitter has added new capabilities to its video ad platform, allowing advertisers to more easily place short pre-roll ads that run before video chosen by users.
Chevron — The energy giant extended planned job cuts to its global energy trading desks, according to Reuters. Chevron is in the midst of implementing a $3 billion cost-cutting plan amid slumping crude oil prices.
Anheuser-Busch InBev — Anheuser-Busch InBev stock will be on watch, as intended target SABMiller boosts its case for remaining independent. The beer brewer has increased its cost saving target by $550 million, and emphasized its plan assumes there will be no change in ownership of the company.