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Check out which companies are making headlines before the bell:

J.C. Penney — The retailer lost an adjusted 5 cents per share for its latest quarter, smaller than the 15 cent loss Wall Street was anticipating. However, revenue was slightly below forecasts, and same-store sales rose 2.2 percent compared to the consensus Thomson Reuters estimates of a 2.4 percent increase.

Dick’s Sporting Goods, Foot Locker, Under Armour — Susquehanna initiated coverage on all three specialty retailers with a “positive rating.” The firm likes the potential benefit for Dick’s from its acquisition of Sports Authority locations, the strength of the athletic footwear segment for Foot Locker, and calls Under Armour a “stellar” brand with exceptional growth prospects.

Nordstrom — The retailer reported quarterly profit of 67 cents per share, 11 cents above estimates. Revenue was essentially in line with forecasts, and Nordstrom raised its 2016 earnings guidance above current Street consensus.

Dillard’s — Dillard’s is another retailer beating estimates, with quarterly profit of 35 cents per share versus a consensus of 31 cents. Revenue was slightly above forecasts, although profit was down by more than half from a year earlier.

Honeywell — KBR is buying Honeywell’s government services unit for $266 million.

Planet Fitness — Planet Fitness earned an adjusted 17 cents per share for the second quarter, 2 cents above estimates, and revenue for the fitness chain was well above Street consensus. The bottom line was helped by substantial growth for same-location sales. The company also raised its annual guidance.

Gap — Gap appointed Hasbro Chief Executive Officer Brian Goldner to its board of directors.

Nvidia came in 3 cents above estimates with quarterly profit of 40 cents per share, while revenue for the graphics chipmaker was also above estimates. Nvidia’s sales growth was its best in almost five years, with good demand in its gaming business.

Delek US Holdings — Delek is the subject of an upcoming bid by Carl Icahn-controlled CVR Energy, according to the New York Post. The paper also said there is speculation Icahn is building a personal stake in the oil refiner.

Tyson Foods — The beef, pork and poultry producer fired 10 workers who were seen on video abusing breeder chickens. The video was recorded by an animal rights group.

Ruby Tuesday — Ruby Tuesday reported an adjusted quarterly profit of 10 cents per share, 1 cent shy of estimates, with revenue also short of Street forecasts. The restaurant chain also forecast an adjusted 2017 profit that falls well below current consensus. Same-restaurant sales were down 3.7 percent during the most recent quarter, and total revenue was down 5.9 percent.

Comcast — Comcast’s NBCUniversal, the parent of CNBC, is expecting record profit from the Rio Olympics, according to NBC Sports Group Chairman Mark Lazarus.

General Motors — GM is seeking a new court hearing over $10 billion in liabilities involving faulty ignition switches. The automaker contends that the court made two fundamental errors when it rejected GM’s attempt to use its 2009 bankruptcy as a way to shield itself from litigation.

Twitter — Twitter denied rumors that it will be shutting down in 2017, calling them “groundless.”

Silicon Graphics — Silicon Graphics will be bought by Hewlett Packard Enterprise for $275 million or $7.75 per share. That represents a 30 percent premium for shareholders in the maker of server, storage and software products.