United States
Facebook warns of increased spending, shares fall
Facebook Inc warned on Tuesday of a dramatic increase in spending in 2015 and projected a slowdown in revenue growth this quarter, slicing a tenth off its market value.
GM to build more Chevy Volt parts in Michigan
General Motors Co (GM.N) will shift production of the transmission on the 2016 Chevrolet Volt from Mexico to Michigan, the automaker said.
American Express says Vente-Privee USA to close by year-end
American Express Co, the world's largest credit card issuer, said it would close its joint venture with French online start-up Vente-Privee by the end of the year.
Amazon buys comedy service Rooftop Media to expand digital content
Amazon.com Inc (AMZN.O) is buying online comedy service Rooftop Media, a small deal that underscores the Internet retailer's broader ambition of becoming a media and entertainment powerhouse.