** Novonix NVX.AX jumps as much as 15.5% to A$0.855; biggest intraday pct gain since Nov. 11
** Stock hits its highest since Nov. 18
** Battery materials supplier signs deal with Volkswagen-founded VOWG_p.DE Powerco to supply a minimum of 32,000 metric tons of high-performance synthetic graphite for five years from 2027
** Nearly 5 mln shares traded, 2x the 30-day average
** NVX up 15.6% YTD
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com;))