 OTC Markets Group Inc. OTCQX:OTCM, the operator of financial markets for 11,000 US and global securities, has announced the first quarter 2021 performance and quarterly rebalancing of its OTCQX and OTCQB indexes, including the OTCQX US Index, OTCQX Canada Index, and the OTCQX Dividend Index. The OTCQX Composite Index, a benchmark for the overall OTCQX Best Market, was up 3.9 in the first quarter. 