* Soy prices fell for a third consecutive session to 1,815 pesos ($386) per tonne from 1,830 pesos on Tuesday, weighed down by early-session losses in the benchmark Chicago futures market, traders said.

* Most Chicago Board of Trade soybean futures contracts ended firm on Wednesday on bargain buying and technical gains as the market recovered from a three-month low earlier in the session, traders said.

* Traders in the Windy City said soybeans had become technically oversold and there was key psychological support at $15 per bushel. The session low was $15.04, the lowest price for that contract since $15.04-1/2 on July 6.

* In Rosario, soy for delivery in May 2013, which is quoted in US dollars, closed at $325 per tone compared with a range of $325 to $330 per tonne on Tuesday.