Wall St opens higher ahead of Yellen speech

REUTERS - U.S. stocks opened higher on Friday morning, ahead of Federal Reserve Chair Janet Yellen's speech, which is expected to provide a clearer picture on the timing of the next interest rate hike.

The Dow Jones Industrial Average was up 46.22 points, or 0.25 percent, at 18,494.63, the S&P 500 was up 5.74 points, or 0.26 percent, at 2,178.21 and the Nasdaq Composite was up 9.99 points, or 0.19 percent, at 5,222.20.

(Reporting by Yashaswini Swamynathan in Bengaluru; Editing by Savio D'Souza)