** Shares of Cosmo Metals CMO.AX rise as much as 60% to A$0.024, their steepest rise since Feb 12

** Stock at its level since Nov 17

** Gold and base metals explorer says drill holes from its maiden drilling program at the Spring Creek prospect reveal presence of shallow high-grade mineralisation

** About 31.2 million shares traded so far, 52x 30-day avg

** Stock up 4.2% YTD, including session's moves

(Reporting by Anjali Singh in Bengaluru)

((anjali.singh2@thomsonreuters.com;))