 "Wall St opens lower after GDP data")
US stocks dipped at the open on Friday as data showed gross domestic product expanded at a slower-than-expected rate in the first quarter.
The Dow Jones industrial average was down 5.60 points, or 0.04%, at 14,695.20. The Standard & Poor's 500 Index was down 1.83 points, or 0.12%, at 1,583.33. The Nasdaq Composite Index was down 6.20 points, or 0.19%, at 3,283.79.