Soyabean futures opened lower at the Chicago Board of Trade early on Thursday on pressure from downturns in the crude oil and stock markets, traders said. At 9:34 am CST (1534 GMT), the CBOT March soyabean futures contract was down 10-1/2 cents at $10.10 a bushel. CBOT March corn was 4 cents lower at $3.86-1/4 a bushel and CBOT March wheat was off 3-1/2 cents at $5.68-1/4 a bushel.