** Orla Mining shares OLA.TO jumps as much as 6.5% to new 52-week high of C$20.05
** Canadian miner confirms high-grade gold mineralization extends 2 km beyond current underground operations at Musselwhite Mine
** Co says all priority exploration programs from 2025 to continue through 2026
** Stock last up nearly 4%, taking YTD gains to about 146%, set for best year since 2020
(Reporting by Dharna Bafna in Bengaluru)
((Dharna.bafna@thomsonreuters.com))