** Shares of Australian Vintage rise 6.5% to A$0.165, set for its biggest pct gain since Sept. 26
** Wine producer announces reappointment of Craig Garvin as CEO
** Garvin was CEO of Australian Vintage from November 2019 to May 2024
** Co says the reappointment comes after a challenging period and highlights its focus on restoring shareholder value
** Stock down 57.1% YTD
(Reporting by Kumar Tanishk in Bengaluru)
((Tanishk.Kumar@thomsonreuters.com;))