Chicago soybean futures fell on Thursday as traders focused on forecasts calling for rain in Brazil, tempering some concerns over yield losses in the world's top oilseed exporter.

Corn up on technical bounce, wheat up on weaker dollar
Exports being lost because of US-Mexico rail crossing closures, industry says
U.S. wheat prices essentially bottomed out during late November; recovered somewhat in December
Wheat futures rose on a technical bounce
Good export demand also underpinned soybeans
Traders waited to see whether beneficial rains will arrive in dry areas of Brazil
Corn and wheat futures also traded lower
U.S. government reported sales of 1,120,000 tons of soft red wheat to China this week
Corn production in Argentina and Brazil left unchanged in new report
Corn and soybean were pressured by weather forecasts for Brazil and parts of South America