** Bairong 6608.HK rises 5% to HK$9.68, highest since November 18

** Stock set for second session of gains

** Cloud-based artificial intelligence turnkey service group plans to repurchase up to HK$450 mln ($57.8 mln) worth of company shares in open market within next 12 months

** Says share buyback will demonstrate co's confidence in its own business outlook, prospects

** YTD, stock gains 8.5%

($1 = HK$7.7871)

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))