Brief: HKEX Says AIA Bought Back 2.9 Million Shares For HK$250.3 Million On May 12
May 12 (Reuters) - HKEX: AIA GROUP BOUGHT BACK 2.9 MILLION SHARES FOR HK$250.3 MILLION ON MAY 12 Further company coverage: 1299.HK ((Reuters.Briefs@thomsonreuters.com;))