Guangshen Railway Co. Ltd. (GSH: Pink Current) | Symbol Change Fri, Nov 27, 2020 12:00 - Guangshen Railway Co. Ltd. ( GSH : Pink Current) - Symbol Change - The symbol, GSH, is no longer a valid symbol for Guangshen Railway Co. Ltd.. As of Fri, Nov 27, 2020, the new trading symbol is GSHHY. You may find a complete list of symbol changes at otcmarkets.com .