** Shares of Siren Gold rise as much as 36.4% to A$0.150, their highest since Feb. 10, 2023
** Stock posts its biggest intraday percentage gain since May 8, 2023
** Gold explorer reports positive soil sampling results from its Auld Creek project in New Zealand
** Says results extend gold and antimony mineralisation at project
** About 3.3 mln shares change hands, compared with the 30-day average volume of around 223,000
** Stock has doubled in value this year, including session's move
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com;))