By Jeffrey Dastin | SAN FRANCISCO SAN FRANCISCO Amazon.com Inc's ventures far beyond online retail, from cloud computing to movie making, are raising questions among corporate strategy experts about its focus.The

NEW YORK The S&P 500 dipped on Thursday, weighed down by the energy sector and financials, which snapped a five-session winning streak. The Dow Jones Industrial Average .DJI rose 8.18 points, or 0.04
By Sam Forgione | NEW YORK NEW YORK Warren Buffett, chairman and chief executive of Berkshire Hathaway Inc (BRKa.N), told CNBC
DETROIT Tesla Inc needs to complete fixing its Model S sedan emergency braking system to regain Consumer Reports' top safety rating, the magazine said on Friday, noting that a recent update by the luxury electric car maker was not enough.The