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...Next came The Great Debaters in 2007, and his third, Fences (2016), in which he also starred, was nominated for the Academy Award for Best Picture and won Viola Davis Best Supporting Actress....
...Mr Viola, an Army sergeant who once served as chairman of the New York Mercantile Exchange after years as a floor trader, co-founded Madison Tyler in 2002 and Virtu Financial in 2008....
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