Corrects last bullet to say stock is up ~70% YTD, not down
** Shares of Saturn Metals STN.AX rise 9.4% to A$0.35
** Stock set for its best day since April 17, if gains hold
** Earlier in the session, gold explorer rose as much as 15.6% to a three-year high of A$0.37
** STN gets high gold recovery results after metallurgical test work at its Apollo Hill gold project in Western Australia
** About 1.4 mln shares change hands higher than its 30-day average of over 1 mln
** Stock is up ~70% YTD, including the session's move
(Reporting by Anjali Singh)
((anjali.singh2@thomsonreuters.com;))