** Shares of the mineral explorer CNB.AX rise as much as
51.7% to A$0.440, on track for their biggest pct gain since
March 2020
** Says it has intersected copper sulphide zones at its
82.5% owned Nil Desperandum Prospect within the Greater Duchess
Copper Gold Project in Mt Isa, Queensland urn:newsml:reuters.com:*:nASX4f05m7
** Shares hit highest level since June 1
** CNB stock marks busiest day since Jan 2020, with more
than 9.3 mln shares changing hands vs 30-day average volume of
about 216,000 shares
** Stock has fallen 26.6% so far this year, as of last close
(Reporting by Roushni Nair in Bangalore)
((Roushni.Nair@thomsonreuters.com))