(Reuters) – Federal Reserve Chairman Ben Bernanke is not expected to hint at a pending policy change when he testifies before the U.S. Congress on Wednesday despite some speculation among investors that the central bank could soon reduce its massive bond buying program.

Bernanke’s close ally, New York Fed President William Dudley, stressed repeatedly on Tuesday that uncertain economic conditions meant it was too early to determine whether to taper the Fed’s $85 billion in monthly purchases.  Read more