NEW YORK, Dec. 18, 2025 (GLOBE NEWSWIRE) -- OTC Markets Group Inc. (OTCQX: OTCM), operator of regulated markets for trading 12,000 U.S. and international securities, today announced Quartz Mountain Resources Ltd. (TSX-V: QZM; OTCQX: QZMRF), a company focused on discovering and transacting important-scale gold, silver and copper projects in British Columbia, has qualified to trade on the OTCQX® Best Market. Quartz Mountain Resources Ltd. upgraded to OTCQX from the OTCQB® Venture Market. Quartz Mountain Resou ...