earnings from tech titans intel, yahoo! and united technologies drove stocks higher. meanwhile, standard & poor s newly negative outlook on u.s. debt continued to wapg down the dollar. gold hit another all-time high as investors made safe bets. food prices shot up after a sharp drop in inventories. wynn resorts made more money, pushing revenue up 39%. at&t shares slipped in response to news that it signed up fewer subscribers after losing the exclusive contract for the iphone. wells fargo ended lower after reporting a sharp drop in new mortgages. shares of tivo scored 30% after a federal appeals court upheld a ruling that dish network infringed on the dvr patent in 2006. finally, we all have job stress, right? but according to a new survey, commercial airline pilots have the most stressful job.