Chicago Board of Trade corn futures set contract lows and soybean futures sagged on Friday on expectations that beneficial weather for U.S. crops will lead to bumper harvests, analysts said.

U.S. markets see losses across the board
Corn/soybean yields unchanged
Weather varied across Prairies
Canadian oilseed turning around after earlier losses
Exemptions for U.S. imports covered by CUSMA, as well as energy, fertilizer