(Reuters) - U.S. stocks fell on Friday, giving the S&P 500 its biggest daily percentage loss since March 25, as concerns over regulations in China, Greece's debt negotiations and disappointing earnings weighed on sentiment.
The Dow Jones industrial average <.DJI> fell 279.67 points, or 1.54 percent, to 17,826.1, the S&P 500 <.SPX> lost 23.92 points, or 1.14 percent, to 2,081.07 and the Nasdaq Composite <.IXIC> dropped 75.98 points, or 1.52 percent, to 4,931.81.
For the week the Dow fell 1.3 percent, the S&P fell 1 percent and Nasdaq dropped 1.3 percent.
(Reporting By Sinead Carew; Editing by Nick Zieminski)
