Wall Street set to open flat ahead of Yellen's testimony

By Tanya Agrawal
REUTERS – U.S. stocks were set to open little changed on Thursday, a day after the Dow broke a seven-day rally, as investors await a testimony by Federal Reserve Chair Janet Yellen.
The Fed could raise interest rates “relatively soon” if economic data keeps pointing to an improving labor market and rising inflation, Yellen said in prepared remarks on Thursday in a clear hint the central bank could hike rates next month.
Yellen is scheduled to begin her testimo