The economy skidded nearly to a halt in the first three months of the year, the government reported early Wednesday, after being battered by harsh weather, plunging exports and sharp cutbacks in oil and gas drilling.
Garmin and Buffalo Wild Wings were among the stocks that fell after reporting disappointing earnings.
The Dow Jones industrial average fell 67 points, or 0.4 per cent, to 18,041 as of 11:55 a.m. Eastern time.
The Standard & Poor's 500 index fell eight points, or 0.4 per cent, to 2,106. The Nasdaq composite fell 27 points, or 0.5 per cent, to 5,028.
Bond prices fell. The yield on the 10-year Treasury note rose to 2.06 per cent.