** Shares of Gibb River Diamonds GIB.AX rise 11.1% to A$0.07, hit their highest level since January 25, 2023
** Stock their biggest intraday gain since September 3
** Mineral explorer signs purchase agreement with Black Cat Syndicate Ltd BC8.AX for processing 100,000 tonnes of Neta Project ore at their Lakewood Mill, Western Australia
** About 945,151 shares traded, 1.5x the 30-day average
** YTD stock up 75%, including current session's move
(Reporting by Ananya Verma in Bengaluru)
((ananya.verma@thomsonreuters.com;))