** Shares of Australia's American Rare Earths Ltd ARR.AX
rise as much 15% to A$0.230, marking their best day since Aug. 8
if gains hold
** Miner announces results of initial minerology test work
for Halleck Creek Rare Earths project in Albany County, Wyoming,
Western United States
** Says testing indicates presence of rare earth elements
that can be recovered using simple separation technology
** Stock hits highest since Nov. 24
** About 2.3 mln shares change hands compared with the
30-day moving average of 1.2 mln shares
** Stock has risen 21.2% this year, as of last close
(Reporting by Nausheen Thusoo in Bengaluru)
((Nausheen.Thusoo@thomsonreuters.com;))