Wheat fell on Thursday declining from the weakest level in more than a four-week period amid speculations that demand for U.S. supplies may be reduced as India plans to boost its exports. Wheat for settlement in December slipped 0.3% to $6.7325 a bushel on the CBOT, the lowest level since October 1, and the prices traded at $6.74 as of 2:33 p.m. Singapore time.