U.S. stocks rose on Wednesday, with the S&P 500's advance led by Macy's after stronger-than-expected quarterly sales and earnings. Volume was still subdued, with investors looking ahead to Federal Reserve Vice Chair Janet Yellen's appearance on Thursday before the Senate Banking Committee to consider her nomination as Fed chair, replacing Ben Bernanke. "I think Yellen's presentation is the one everyone is anticipating ... This will be our first chance to see her do some Q&A for her theme at the Fed," said Brian Battle, director of trading at Performance Trust Capital in Chicago.
