NEW YORK (Reuters) - Stocks fell on Friday, with the NYSE composite stock index turning negative for the year as Facebook Inc stumbled in its market debut and investors were cautious ahead of a G8 summit on the weekend expected to address Europe's debt crisis.
The Dow Jones industrial average <.DJI> dropped 61.61 points, or 0.50 percent, to 12,380.88. The Standard & Poor's 500 Index <.SPX> fell 6.90 points, or 0.53 percent, to 1,297.96. The Nasdaq Composite <.IXIC> lost 20.81 points, or 0.74 percent, to 2,792.88.
(Reporting By Edward Krudy, editing by Dave Zimmerman)