OTC Markets Group Inc. (OTCQX:OTCM) has announced that Sierra Metals, Inc, a Canadian mining company focused on copper production, has qualified to trade on the OTCQX Best Market, upgrading from the Pink market.
The company will trade under the symbol 'SMTSF'.
To qualify for OTCQX, OTC Markets said companies must meet high financial standards, follow best practice corporate governance and demonstrate compliance with applicable securities laws.