Wall Street today: US stocks drift ; Boeing, American Express dip
US stocks were drifting on Friday as investors assessed economic data and corporate earnings. At 10:16 a.m. ET, the Dow Jones Industrial Average fell 101.48 points, or 0.24per cent, to 44,459.53, the S&P 500 lost 3.62 points, or 0.06per cent, to 6,115.09 and the Nasdaq Composite lost 17.56 points, or 0.09per cent, to 20,034.29. At…