* U.S.
ethanol production falls 32,000 bpd to 872,000 bpd * U.S.
weekly ethanol stocks rise to 18.8 mln barrels (Corrects recent high in
ethanol futures to three - year high from record high, paragraph eight) By Michael Hirtzer CHICAGO, July 13 (Reuters)- U.S.
ethanol production fell 3.5 percent while stocks climbed in the latest reporting week, despite profitable margins at many biofuel refineries.