GRAINS-Wheat, corn hold firm with Black Sea export deal in focus

(Updates prices, adds analyst comment) March 2 (Reuters) – Chicago wheat and corn futures edged higher in Asian trading on Thursday, supported by bargain-buying, although the prospects of a Black Sea grain export deal being renewed kept gains in check. Soybeans held steady after rebounding in the previous session from losses during the last five trading days of February, as concerns persist about supply from drought-hit Argentina. The most-active wheat contract on the Chicago Board of Trade (CBOT) was up 0.3% at $7.12 a bushel, as of 0414 GMT. It dropped to its lowest since September 2021 earlier this week….