** Shares of Noronex Ltd NRX.AX rise as much as 14.8% to
A$0.031, its biggest intraday pct gain since Nov. 3
** Says finalised drill contract for a program at the Helm
prospect at its Snowball joint venture project in Namibia, with
the rig expected to be mobilised in coming days
** Helm prospect expected to host copper mineralisation
** Stock hits highest level since Nov. 24
** Stock has fallen 66.3% this year, as of last close
(Reporting By Udbhav Krishna P in Bengaluru)
((UdbhavKrishna.P@Thomsonreuters.com))