• Shares of Sun Silver jump as much as 11.5% to A$0.825, their highest since June 20

• Stock last up 10.1%; on track for its best day since April 8

• The silver and gold explorer says extensional hole MR25-211 has returned the highest-grade silver equivalent intercept ever recorded at the Maverick Springs Project in Nevada, U.S.

• Around 2.2 mln shares change hands, over 3x its 30-day average volume of 646,153 shares

• YTD, SS1 up 30.4%, including the session's gains

(Reporting by Keshav Singh Chundawat in Bengaluru)