** Shares of Blue Star Helium BNL.AX rise as much as 5.7%
to A$0.056, their biggest intraday pct gain since Dec. 13
** Australia-based helium explorer identifies https://www.asx.com.au/asxpdf/20211221/pdf/454dxvcw0j3pjr.pdf
gas columns with high helium concentration in Las Animas
County, Colorado, U.S.
** More than 5.5 mln shares change hands, vs the 30-day
average volume of 7.2 mln
** Stock had risen 20.5% this year, as of last close
(Reporting by Dhriti Garg in Bengaluru)
((dhriti.garg@thomsonreuters.com))