
CHICAGO, Dec 16 (Reuters) - Chicago Board of Trade soybean futures dropped to a new seven-week low on Tuesday, as investors unwound some of their positions amid ongoing concerns about U.S. export demand and expectations for a bumper Brazilian harvest, market analysts said.
Traders have been disappointed at the pace of Chinese purchases of U.S. soybeans since this autumn's trade talks between Washington and Beijing.
CBOT January soybeans SF26 settled down 9 cents at $10.62-3/4 per bushel, the lowest since October 24.
CBOT January soyoil BOF26 fell 1.12 cents to end at 48.36 cents per pound, while March soyoil BOH26 ended 1.10 cents lower at 48.91 cents per pound.
Soymeal futures closed lower, with the most-active January SMF26 settling $1.10 lower at $302.40 per short ton.
China's Sinograin will auction 550,000 metric tons of imported soybeans on December 19, its third auction this month, the state stockpiler said in a notice.
In Argentina, oilseed workers called a 24-hour strike for next Thursday.
News that U.S. unemployment in November was higher than analyst expectations, driven largely by the loss of government positions, also weighed on commodity markets, traders and market analysts said.
However, traders said, the impact of the data was somewhat capped because the government shutdown prevented data collection for the October jobless rate.
While the Labor Department's closely watched employment report on Tuesday showed the unemployment rate at more than a four-year high of 4.6% last month, the Bureau of Labor Statistics changed its methodology after the 43-day government shutdown prevented the collection of data from households.