Tiffany & Co. said Friday that its first-quarter profit plunged 62 percent .
Oil prices extended a rally to above $66 a barrel Friday to hit a fresh six-month high.
Time Warner Inc. said Thursday it would move ahead with plans to spin off AOL, ending a tumultuous association that began when AOL acquired the world's largest media company eight years ago.
Stocks fluctuated Friday as investors tried to reconcile some mixed economic data.
Oil prices extended a rally to above $66 a barrel Friday to hit a fresh six-month high, after the U.S. reported a fall in oil inventories and further signs of an improving economy.
Clothing maker Levi Strauss & Co. on Thursday said it would hire Yahoo Inc.'s Blake Jorgensen.
Microsoft Corp. is rolling out a redesigned search site.
General Motors Corp. said Thursday a committee of bondholders has agreed to a sweetened deal proposed by the U.S. government to erase the automaker's unsecured debt in exchange for company stock.