US soyabean futures jumped more than 1 percent early on Tuesday in the steepest rally in a month, nearing the 5-1/2 month high struck last week on renewed worries of tighter supplies following a drought in South America's crop belt. Wheat drifted lower, following corn.
Benchmark Chicago Board of Trade May soyabeans rose 1.2 percent to $13.51 per bushel by 10:33 am CDT (1533 GMT) while new-crop November gained 0.9 percent to $13.11. CBOT corn for May delivery rose 0.3 percent to $6.61-1/2 a bushel, while new-crop December corn eased 0.3 percent to $5.66-3/4 a bushel. Wheat drifted lower after two days of gains, with May dipping 0.4 percent to $6.49 a bushel.