** Shares of Australia's Vulcan Energy VUL.AX rise as much as 8.3% to A$3.25, their biggest intraday gain since December 5, 2025
** The lithium explorer secures a lithium production licence for Lionheart project
** Near 3.3 million shares change hands, 1.3x the 30-day average volume
** Stock has fallen 30.4% this year, including day's moves
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com;))