** Shares of Greentech Metals GRE.AX rise as much as 54.3%
to A$0.145, their biggest intraday percentage gain since Feb 8
** Stock hits its highest level since July 22
** The battery metals explorer reports positive drilling
results from its Whundo copper project in Western Australia
** Says results show potential to expand copper and zinc
resource at project
** About 1.4 mln shares change hands, compared with the
30-day average volume of around 20,000 shares
** Stock down 75.8% YTD, including session's move
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com;))