OTC Markets Group Welcomes Los Andes Copper Ltd. to OTCQX PR Newswire NEW YORK, Nov. 24, 2021 NEW YORK , Nov. 24, 2021 /PRNewswire/ -- OTC Markets Group Inc. (OTCQX: OTCM), operator of financial markets for over 11,000 U.S. and global securities, today announced Los Andes Copper Ltd. (TSX-V: LA; OTCQX: LSANF), a development company with a 100% interest in a large open pit copper project in Chile , has qualified to trade on the OTCQX® Best Market. Los Andes Copper Ltd. upgraded to OTCQX from the...