** Shares of entertainment company Ardent Leisure Ltd
rise as much as 20.2% to A$0.535 - their highest since May 12
** ALG stock on track for best day since Feb 25, if gains hold
** Co posts FY prelim unaudited revenue of A$83.9 mln ($56.06 mln), up 70% on prior year
** Co anticipates breaking even in 2H23 and to deliver its first positive full-year EBITDA result
** ALG top gainer on ASX All Ordinaries index
** As of last close, stock down 26.5% YTD
($1 = 1.4966 Australian dollars)
(Reporting by Himanshi Akhand in Bengaluru)
((Himanshi.Akhand@thomsonreuters.com;))