CBOT wheat lows with a lack of demand for U.S. shipments in an amply supplied world market dragging on prices. Globally there is lots of wheat, the U.S. has to compete with lower prices. U.S. wheat prices rose in September and the market is giving up those gains. U.S. wheat market is facing pressure from poor demand for U.S. suppliers amid stiff competition from the Black Sea region. Wheat prices in Russia, which has been dominating the global export market with a record crop, rose last week amid strong demand from buyers including Egypt and Saudi Arabia.