Propanc Biopharma, Inc. (PPCB: Pink Current) | Symbol Change Thu, Nov 19, 2020 12:00 - Propanc Biopharma, Inc. ( PPCB : Pink Current) - Symbol Change - The symbol, PPCB, is no longer a valid symbol for Propanc Biopharma, Inc.. As of Thu, Nov 19, 2020, the new trading symbol is PPCBD. You may find a complete list of symbol changes at otcmarkets.com .