** Shares of Itech Minerals ITM.AX rise as much as 150% to A$0.085, its biggest intraday pct gain ever
** Stock hits highest level since September 3, 2024
** Mineral explorer finds high grade antimony zones at Sabre and Falchion Prospects, Reynolds Range project in Northern Territory
** About 25.6 mln shares traded in stock's busiest day ever, 44.5x the 30-day average
** Last stock up 132.3%, taking YTD gains to 43.2%
(Reporting by Ananya Verma in Bengaluru)
((ananya.verma@thomsonreuters.com;))