Check out which companies are making headlines before the bell:
Big Lots — The discount retailer earned an adjusted $2 per share for its latest quarter, two cents above estimates, though revenue fell below forecasts. Big Lots also raised its quarterly dividend by 11 percent to 21 cents per share, and announced a $250 million share repurchase program.
Staples — The office supplies retailer fell two cents shy of expectations with adjusted quarterly profit of 26 cents per share, and revenue was also short of Street projections. Same-store sales fell, though North American operating margins did increase.
Hewlett Packard Enterprise — The computer hardware and services company reported an adjusted 41 cents per share profit. That was one cent above estimates, and revenue was also slightly above forecasts. This was the company's first quarterly report after being spun off from the old Hewlett-Packard late last year.
Tyson Foods — BB&T lowered its rating on Tyson to "hold" from "buy," saying it very much wanted to maintain a "buy" given the strong balance sheet, management team, and other positive factors, but doesn't see enough upside to the stock to maintain that rating.
Papa John's International — KeyBanc Capital Markets downgraded the pizza chain's stock to "sector weight" from "overweight," on concern about the pace of domestic sales.
DSW — Credit Suisse downgraded the shoe retailer's shares to "neutral" from "outperform," based on the current makeup of its brand portfolio. Credit Suisse said the current makeup of that portfolio lessens the differentiation factor that has helped DSW in the past.
Salesforce.com — Macquarie began coverage on the cloud computing company with an "outperform" rating, citing its "powerful" multi-cloud product strategy. Macquarie also gave the "outperform" rating to Oracle, calling it an attractive and defensive investment for value investors.
JC Penney — The retailer was upgraded to "buy" from "hold" at Evercore, noting its outperformance versus its peers in a challenging and volatile environment.
Ambarella — Ambarella beat estimates by 16 cents with adjusted quarterly profit of 64 cents per share, with revenue above analyst forecasts as well. However, the chip supplier also gave weaker than expected current quarter guidance. Ambarella makes digital image chips and is a key supplier to high definition camera maker GoPro.
Gap — The apparel retailer reported a 2 percent drop in comparable store sales for February. The Gap and Old Navy brands saw flat same-store sales, but the Banana Republic unit saw an 11 percent drop.
Planet Fitness — Planet Fitness reported adjusted quarterly profit of 17 cents per share, 2 cents above estimates, while the fitness center operator saw revenue beat forecasts as well. Planet Fitness also gave strong 2016 guidance.
Nimble Storage — Nimble Storage lost 12 cents per share for its latest quarter, matching estimates, with revenue slightly ahead of analyst forecasts. The data storage company also expects to report a loss for the current quarter that is larger than the Street had been anticipating.
Smith & Wesson — Smith & Wesson reported adjusted quarterly profit of 59 cents per share, 20 cents above estimates, with the gun maker's revenue also exceeding forecasts by a wide margin. The company also gave strong current quarter guidance.
UDR — UDR will join the S&P 500 after the close of trading today, replacing Keurig Green Mountain, which has been bought by private equity investors.UDR is a real estate investment trust specializing in upscale apartment buildings.
Facebook — Facebook will stop booking sales to United Kingdom clients via Ireland, which had reduced its taxes. Henceforth, it will report its U.K. sales in Britain.
Carmike Cinemas — Carmike agreed to be bought by AMC Entertainment for $30 per share, or $1.1 billion including assumption of debt. The price is a 20 percent premium to the movie theater operator's Thursday closing price.
Amazon.com — Amazon has dropped an encryption feature in software for its Fire tablet devices, saying it was not popular with customers.