Yahoo revenue down 13 percent in Q4, CEO says better execution needed

Yahoo’s revenue dropped 13 percent compared to the same period last year, the company reported today. In its quarterly earnings’ announcement Tuesday, Yahoo reported $1,324 million in GAAP revenue for the fourth quarter of 2011, while costs increased by 10 percent. Excluding traffic acquisition costs from Yahoo’s partnership with Microsoft and others, the company brought in $1,169 million — down just three percent compared to last year.