NEW YORK, Nov. 06, 2025 (GLOBE NEWSWIRE) -- OTC Markets Group Inc. (OTCQX: OTCM), operator of regulated markets for trading 12,000 U.S. and international securities, today announced SUN SILVER LTD. (ASX: SS1; OTCQX: SSLVF), an Australian exploration company, has qualified to trade on the OTCQX® Best Market. SUN SILVER LTD. upgraded to OTCQX from the Pink® market. SUN SILVER LTD. begins trading today on OTCQX under the symbol “SSLVF.” U.S. investors can find current financial disclosure and Real-Time Level 2 ...