** Shares of Anteotech ADO.AX soar as much as 59.6% to
A$0.15 - set for best session since February 2021, if gains hold
** Nanotechnology firm says its updated EuGeni COVID-19
Rapid Antigen Test got regulatory approval in Europe urn:newsml:reuters.com:*:nASX9Xp2r
** Stock hits its highest since April 20
** 13.2 mln shares change hands, compared with the 30-day
average of 4.1 mln shares
** Stock down 69.2% this year, as of last close
(Reporting by Navya Mittal in Bengaluru)
((navya.mittal@thomsonreuters.com))