Yahoo confirmed Monday it is buying social media platform Tumblr for $1.1 billion and "we promise not to screw it up," CEO Marissa Mayer blogged on her Tumblr page.

CHICAGO (AP) - Seamless North America and GrubHub on Monday announced plans to combine and create an online food ordering service covering more than 20,000 restaurants in 500 cities across the U.S.. Financial terms were not disclosed. GrubHub ...

U.S. stocks were little changed, after the Standard & Poor's 500 Index climbed for four straight weeks to an all-time high, as investors weighed corporate acquisitions.

The legal battle surrounding SAC Capital Advisors appears to be ramping up as the U.S. is now considering criminal charges against the embattled hedge fund and has slapped the firm's founder, Steve Cohen, with a subpoena.

Boeing Co. (BA)'s 787 Dreamliner is poised to clear another hurdle in restoring its image as United Airlines (UAL), the only U.S.

Former Sen. Judd Gregg (R., N.H.) was tapped Monday to head the Securities Industry and Financial Markets Association, joining a list of Washington insiders hired by Wall Street firms and their trade groups to help combat regulatory and political pressure.

The airline that introduced checked-baggage fees has learned the downside of funneling more suitcases into the cabin: It takes longer for people to board.

Sun May 19, 2013 10:22pm EDT. (Repeats story issued on weekend). * China April home prices +4.9 pct on year, fastest gains since April 2011.

Jamie Dimon and the 10 other directors of JPMorgan Chase take the stage in Tampa, Fla., on Tuesday, to face shareholders who can take comfort in a rising stock price and a prospering bank.

Somewhere in the 33-storey Madou Towers office block in Brussels, European regulators are sifting through a mountain of sensitive oil pricing data.