** Shares of minerals explorer Siren Gold SNG.AX rise as
much as 12.9% to A$0.07 - biggest intraday pct gain since Aug.
19
** Co says mineral resources estimates for the Auld Creek
prospect at its Reefton project in New Zealand increased to 210
thousand ounces of gold equivalent
** Upgrade represents a 58% increase in gold and 66% jump in
antimony resources at the prospect
** More than 1.6 mln shares changed hands vs 30-day average
of about 517,000 shares
** Today's rise brings YTD gains to 2.9%
(Reporting by Nikita Jino in Bengaluru)
((nikita.jino@thomsonreuters.com))