Breaking News-RTRS-China agency prepares for soybean stock sale-trade

BEIJING, March 27 (Reuters) - China's state grains agency Sinograin has notified local warehouses that it will release some of the soybeans it has stockpiled into the local market, trade sources said, but it remained uncertain how much would be sold.
Some Chinese brokers said Sinograin could release about 500,000 tonnes, half as much as rumoured in Chicago on Thursday, when soybean prices fell due to talk of the stock release.