Live Trump pauses most reciprocal tariffs, escalates with China, and stocks surge. See the latest. OTC Markets OTCPK - Delayed Quote • USD Mitsui Mining & Smelting Co., Ltd. (MMSMY) Follow Compare 4.8900 0.0000 (0.00%) At close: April 8 at 4:00:00 PM EDT Sustainability data is currently not available for MMSMY.