Treasuries little changed before Bernanke speech in Congress

U.S. Treasuries fluctuated on Wednesday and were traded near the weakest level in five years amid speculations that the Federal Reserve may sustain its stimulus program after yesterday's speech of the Fed's Chairman Ben Bernanke. The benchmark 10-year yields were traded at 1.93% as of 6:45 a.m. London time after the rates declined by 0.04% yesterday.