Chicago Board of Trade March, May and July soyabeans fell the 70-cent limit past midday Monday, pressured by USDA raising its 2008/09 US ending stocks estimate when traders expected a cut. March soy fell 70 cents to $9.66 a bushel. Spot January soya, now in delivery and trading without limits, was down 77-1/2 cents at $9.60 by 12:40 p.m. CST.