Investment calculator
Share selection to check investment value over the period.
Select Share Market Currency Data starting from 
Royal Dutch Shell A (AMS) Amsterdam EUR 21/07/2005
Royal Dutch Shell B (AMS) Amsterdam EUR 21/07/2005
Royal Dutch Shell A (LSE) London GBX 21/07/2005
Royal Dutch Shell B (LSE) London GBX 21/07/2005
Royal Dutch Shell A ADR (NYSE) NYSE USD 20/07/2005
Royal Dutch Shell B ADR (NYSE) NYSE USD 20/07/2005