GRAINS — Soybeans retreat on harvest progress despite renewed Chinese demand
(Rewrites throughout with US trading, adds quote, updates prices, adds byline, changes dateline from PARIS/BEIJING) USDA says 46% of US soybeans and 33% of corn were harvested as of Sunday China booked 8 to 10 US soybean cargoes on Monday, traders told Reuters Forecasters expect fieldwork to resume after midweek rains