A lack of threatening weather in South America and the Lunar New Year holiday in China are contributing to double-digit losses in soybeans.
Outside markets are weak, caused by uncertainties wrought by ban on travelers from the Middle East and African nations. After opening lower, the dollar appears to be moving higher.
The Federal Reserve starts a two-day meeting tomorrow, with no action expected at this meeting.
A jobs report is due out Friday, with 175,000 jobs expected to have been created in January.