RPT-Wall St Week Ahead-Yellen tone suggests choppiness for markets ahead
May 25, 2015 at 13:00 PM EDT
NEW YORK, May 22 (Reuters) - U.S. stock investors have been enjoying an extended period of low volatility and steady gains, but with the Federal Reserve on track to raise interest rates this year and major indexes near records, the market could get a bit choppier in coming weeks.