Australia's Encounter Resources hits two-month high on record niobium discovery
** Shares of Encounter Resources ENR.AX rise as much as 18.4% to A$0.290, hitting their highest level since July 3
** Stock logs its biggest intraday pct gain since August 25
** The diversified miner reports its highest-grade niobium intercept to date at the Aileron project in Western Australia
** Around 1.8 mln shares change hands, nearly 2.7x 30-day average
** YTD, stock down 26.3%, including the day's moves