LUXEMBOURG, April 30, 2026 (GLOBE NEWSWIRE) -- Koryx Copper S.A. (TSX:KRY.V) (NSX:KYX) (OTCQX: KRYXF) (“Koryx” or the "Company") is pleased to announce that it has qualified to trade on the OTCQX® Best Market. Koryx Copper S.A. upgraded to OTCQX from the OTCQB® Venture Market. Koryx Copper S.A. begins trading today on OTCQX under the symbol “KRYXF.” U.S. investors can find current financial disclosure and Real-Time Level 2 quotes for the company on www.otcmarkets.com. The OTCQX Market is designed for establ ...