** Evolution EVOG.ST shares rise more than 10% after the Swedish online casino provider launched a share buyback programme of 2-billion euros ($2.3 billion)
** "This initiative represents one of the largest buyback programs in Sweden's history and is significant in relation to a market capitalization of EUR 12.1 billion, constituting approximately 16.5%," says Kepler Cheuvreux
** The company also entered into a 300 million euros senior unsecured revolving credit facility
** The shares are on top of the STOXX 600 .STOXX and on track for their best day since October 2024, if gains hold
($1 = 0.8588 euros)
(Reporting by Vera Dvorakova)
((vera.dvorakova@thomsonreuters.com))