Federal Reserve officials worried about stimulus side effects

Federal Reserve officials are concerned about the potential risks of the U.S. central bank's asset purchases on financial markets, but appear likely to continue buying assets for the foreseeable future, according to Reuters.

The Fed looks set to continue its open-ended stimulus program for now, as its December policy meeting showed a growing reticence about further increases in the central bank's $2.9 trillion balance sheet, which it expanded sharply in response to the financial crisis and recession…