** Shares of Felix Gold FXG.AX rise as much as 21.7% to A$0.28, their highest level since March 16
** The gold explorer receives bulk sample permit from Alaska Department of Natural Resources (DNR)
** Company says it got approval for bulk sampling trench of 1,600 tons of antimony ore material at the NW Array Prospect within the Treasure Creek Antimony Project
** About 3 million shares change hands, 2.7x 30-day average
** Stock down 29.6% this year, including the day's move
(Reporting by Sherin Sunny in Bengaluru)
((Sherin.Sunny@thomsonreuters.com))