Data lifts Wall St again, S&P up on year

NEW YORK (Reuters) - The S&P 500 turned positive for the year on Friday as equities rallied again on a run of better-than-expected economic data, though volume continued to be seasonally weak. The benchmark index has gained nearly 5 percent over its string of four straight winning days, putting it slightly higher for the year. Investors cited recent improvement in U.S. economic data and seasonal factors behind the move, but many remained cautious about the 2012 outlook. New U.S. ...