U.S. Gulf corn hits post-harvest highs as PNW port gridlock persists
March 03, 2017 at 14:26 PM EST
CHICAGO, March 3 (Reuters) - A backlog of grain ships waiting to load at U.S. Pacific Northwest (PNW) ports is threatening to persist into April, prompting key Asian customers to switch purchases to more distant Gulf Coast terminals and sending prices there higher, traders and industry analysts said.