Chicago Board of Trade wheat futures fell early Monday, pressured by ample US and global supplies, traders said. CBOT wheat closed higher Friday in a mild rebound after notching contract lows last week. September wheat has not traded as of 11 am; December down 10-1/2 cents at $4.56-3/4. September corn steady at $3.14-1/2 a bushel; December down 4 at $3.15-3/4.