Fed leaves rates unchanged, says U.S. economy strong

WASHINGTON (Reuters) - The U.S. Federal Reserve held interest rates steady on Thursday but remained on track to keep gradually tightening borrowing costs, as it pointed to a healthy economy that was marred only by a dip in the growth of business investment. Business investment can be a key to rising productivity and future growth, and the fact that it had "moderated from its rapid pace," as the Fed said, was the only cautionary note in a policy statement that touted strong job gains and..