US Cash Grains — Soybean, corn basis holds steady on tight spot supplies, lower futures
CHICAGO, Sept 18 (Reuters) — Spot basis values for corn and soybeans delivered to elevators and processors around the US Midwest were mostly steady on Friday, underpinned by tight supplies and lower futures prices. Spot soybean basis values were at a steep premium to bids for deferred deliveries at several western Midw