U.S. stocks fell on Friday, with the S&P 500 on track for a second week of declines, as a strong monthly jobs report heightened expectations the U.S. Federal Reserve could raise interest rates sooner than anticipated. NEW YORK: U.S. stocks fell on Friday, with the S&P 500 on track for a second week of declines, as a strong monthly jobs report heightened expectations the U.S. Federal Reserve could raise interest rates sooner than anticipated.