FOREX-US dollar falls ahead of GDP, inflation data; Fed in focus
* U.S. business activity rises in January * U.S. dollar still in midst of broad correction higher -analyst * Bank of Canada holds rate unchanged, focus shifts to rate cuts (Adds new comment, updates prices) By Gertrude Chavez-Dreyfuss NEW YORK, Jan 24 (Reuters) - The U.S. dollar dropped on W...