Australia's Sky Metals hits 2-1/2-year high on silver and tin finds
** Shares of Sky Metals SKY.AX rise 10.3% to A$0.086, their highest level since January 25, 2023 ** Mineral explorer finds new high-grade silver-tin mineralisation zone at the Tallebung deposit in central Western New South Wales ** About 3.6 mln shares change hands, 4.6x the 30-day avg ** Stock up 59.3% YTD, including the session's gains (Reporting by Ananya Verma in Bengaluru) ((ananya.verma@thomsonreuters.com;))