Probably not. True, a cheaper yuan hurts U.S. exporters and likely depresses U.S. inflation, which is already below the annual 2 percent rate the Fed targets. But Tuesday's move wasn't big enough by itself to make much difference. So the Fed is likely to go ahead, possibly at its September meeting, and raise the short-term rate it controls, which has been pinned near zero since 2008. The U.S. economy grew at a steady 2.3 percent annual from April through June, and U.S. unemployment has fallen to a seven-year low 5.3 percent. If the U.S. economy continues to look healthy, wrote JP Morgan Chase economist Michael Feroli, "the yuan move will largely be a sideshow " by September's Fed meeting.