BUZZ-Amaya Inc: Ordered to pay $870 mln by Kentucky judge
** Canadian gaming company's U.S.-listed shares down 5.5 pct at $12.63 in morning trading
** U.S.-listed shares fall as much as 10 pct to hit $12, lowest since June 2014
** Kentucky court orders company to pay $870 mln in penalties to cover alleged losses by the state's residents who played real-money poker on PokerStars' website between 2006 and 2011
** Company says planned to post a bond to stay the enforcement of the order and to appeal in early January
** Amaya got PokerStars in 2014 through the $4.9 bln takeover of Rational Group
** Up to Wednesday's close, U.S.-listed stock had fallen about 45 pct this year
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