 "Wall Street opens lower as investors await Yellen's take on interest rate hike")
US stocks opened lower on Thursday as investors nervously awaited Federal Reserve Chair Janet Yellen's take on interest rate hikes.
The Dow Jones Industrial Average was down 26.6 points, or 0.14%, at 18,454.88.
The S&P 500 was down 3.96 points, or 0.18%, at 2,171.48.
The Nasdaq Composite was down 11.85 points, or 0.23%, at 5,205.84.