** Shares of Australia's Osteopore OSX.AX rise 70% to A$0.017
** Earlier in the day, OSX shares hit their highest level since May 6
** Stock marks its biggest intraday pct gain since April 9
** The regenerative medicine co secures market approval in Switzerland under the European Union Medical Device Regulation of its off-the-shelf and custom-made implants
** Near 26 million shares change hands vs 30-day avg of 1.8 mln shares
** Stock down 51.4% YTD, including the day's move
(Reporting by Anjali Singh in Bengaluru)
((anjali.singh2@thomsonreuters.com;))