Fed set to keep rates unchanged, may nod to ebbing risks

The U.S. Federal Reserve is expected to keep interest rates unchanged on Wednesday as it continues to monitor the impact from weakening global growth but may seek to signal to markets it is determined to resume policy tightening this year. The Fed has held its overnight lending rate for banks at a target range of between 0.25 and 0.50 percent since it lifted the benchmark interest rate for the first time in a decade from near zero last December. Since then the Fed has signaled more caution, desp