** Shares of Australia's betr Entertainment BBT.AX rise as much as 6.7% to A$0.240, hitting their highest level since Nov. 19
** Stock logs its biggest intraday pct gain since Dec. 31
** Pure-play digital wagering operator intends to buy back up to 10% of its shares
** Co also reports 24.5% growth in turnover in second quarter
** Stock lost over 30% in 2025, up 20% so far this year including current session's moves
(Reporting by Rajasik Mukherjee in Bengaluru)
((Rajasik.Mukherjee@thomsonreuters.com))