* CBOT wheat nears one-month high
* Corn, soybeans touch one-week lows
* Traders keep eyes on U.S. crop weather (New throughout, adds start of U.S. trading, changes byline/dateline, previous PARIS/SYDNEY)
By Tom Polansek....MORE
CHICAGO, July 8 (Reuters) - U.S. wheat futures jumped on Wednesday on short-covering and concerns about tightening global supply estimates, traders and analysts.
Prices for soft red winter wheat approached a one-month high at the Chicago Board of Trade, while the neighboring corn and soybean markets were mixed.
“Wheat’s the big winner,” said Don Roose, president of broker U.S. Commodities in Iowa....
Three months of Chicago wheat action via FinViz:
September's 517'2 +22'0
December's 523'0 +21'0
