Unlock stock picks and a broker-level newsfeed that powers Wall Street. Upgrade Now OTC Markets EXMKT - Delayed Quote • USD SOPerior Fertilizer Corp. (POTRF) Follow Compare 0.0001 0.0000 (0.00%) At close: February 21 at 3:00:00 PM EST Conversations Community Insights Related Tickers CM8.SG Compass Minerals International Inc 11.40 +1.79% CAPD.L Capital Limited 78.00 +1.30% GUJTLRM.BO Gujarat Toolroom Limited 2.1200 -4.93% GLNCY Glencore plc 8.02 +0.12% GLEN.L Glencore plc 323.85 -0.52% RIO Rio Tinto Group 63.53 -1.18%