Greenbrier Companies (GBX) Stock Sinks As Market Gains: What You Should Know Posted byZacks Equity Research February 9, 2022 Leave a comment on Greenbrier Companies (GBX) Stock Sinks As Market Gains: What You Should Know Greenbrier Companies (GBX) closed the most recent trading day at $42.10, moving -0.92% from the previous trading session.