American Electric Power–The electric utility earned 60 cents per share, excluding certain items, three cents above estimates, with revenue also above consensus. AEP benefited in part from the implementation of cost control measures.
Regis–The parent of the SuperCuts chain lost four cents per share for its second quarter, compared to analyst forecasts of a one cent per share profit. Revenue was also below estimates, with same store sales falling 6.2 percent during the quarter.
Lululemon–Janney downgraded the athletic apparel maker's shares to "neutral" from "buy", citing a slow recovery from various public relations issues, although the firm believes in the brand long term.
Wal-Mart–The retailer will lay off 2,300 Sam's Club workers, about two percent of its workforce.
AT&T—The cellular giant said it would not bid for Britain's Vodafone over the next six months, answering in inquiry from the country's takeover panel.
Starbucks–Starbucks CEO Howard Schultz was paid $17.2 million in 2013 compensation, down from $28.9 million in 2012. The drop is due to reduced stock awards.
Boeing–The aerospace big has been ordered to conduct safety checks on its 767 jets, focusing on movable tail sections that may jam. There have been no reported incidents related to the issue.
21st Century Fox–The media giant will acquire a majority stake in the YES Network, with the deal raising its stake to 80 percent from the current 49 percent. Terms were not disclosed.
Google–The search behemoth is buying artificial intelligence company DeepMind Technologies for a reported $400 million.
Ericsson–Ericsson ended a patent dispute with Samsung, signing a cross licensing deal and saying the settlement would lift its fourth quarter net income by $512 million.
Liberty Global–Liberty is buying the 71.5 percent of Dutch cable company Ziggo that it doesn't already own for $13.7 billion in cash and stock.
Royal Caribbean–The cruise line operator has cut short a cruise on its Explorer of the Seas because of an outbreak of gastrointestinal illness.
KB Home–Barclays downgraded the home builder's shares to "underweight" from "equalweight".
—By CNBC's Peter Schacknow
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