InvestorMS is the first customized index calculated by WSE In co-operation with Investors TFI S.A. The index tracks the performance of the stock of small and mid-cap companies in the investment focus of the fund Investor Top 25 Małych Spółek FIO. The Investor MS index is the fund’s investment performance benchmark. The methodology of the Investor MS index was developed jointly by the Warsaw Stock Exchange and Investors TFI S.A. The index base date is 31 December 2002 and its initial value was 1000 points.