
CHICAGO, Jan 28 (Reuters) - Chicago Board of Trade corn futures ended higher on Wednesday with optimism about demand for biofuels lending support, alongside concerns about hot, dry weather in major producer Argentina.
U.S. President Donald Trump said in a speech in Iowa on Tuesday that Republican congressional leaders were working on legislation to allow the ethanol-blended gasoline year-round.
The dollar rebounded on Wednesday but reached a four-year in the prior session. A weaker dollar tends to make U.S. exports more competitive on the global market.
A period of intense heat and dry weather is stressing corn crops in Argentina, threatening to reduce yields for the 2025/26 season.
CBOT March corn CH26 closed up 3-1/2 cents at $4.30 per bushel.