05/22/12 - U.S. stocks little changed Tuesday; DJIA up 5 points... 05/22/12 - U.S. stocks little changed Tuesday; DJIA up 5 points... 05/22/12 - U.S. stocks little changed Tuesday; DJIA up 5 points... 05/22/12 - U.S. stocks little changed Tuesday; DJIA up 5 points... 05/22/12 - U.S. stocks little changed Tuesday; DJIA up 5 points...