Yahoo's first-quarter earnings more than tripled, helped by rising marketing services revenue, to beat analyst estimates.

Yahoo reported income of $542.2 million, or 37 cents per share, compared with $142.4 million, or 10 cents per share, in the year-ago quarter. On an adjusted basis, Yahoo earned 11 cents per share.

Another crappy day in the market as General Electric stoked concern about the health of corporate profits and the wider economy. The major indexes were at times down more than 1 percent.