UPDATE 1-Brazil's Braskem shares jump as deal in graft probe seen imminent

SAO PAULO, Dec 2 (Reuters) - Shares in Braskem SA soared 10

percent in their biggest intraday gain in more than two months

on Friday after Latin America's largest petrochemical firm said

it is in advanced talks with authorities in Brazil and the

United States for a leniency agreement related to a massive

corruption scandal.

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