The Nationwide International Index Fund Class A (GIIAX) is a mutual fund that focuses on investing in international stocks. It aims to track the performance of a specific international stock index, providing investors with exposure to a diverse range of companies from various countries. This fund is managed by Nationwide and is classified as a Class A fund, which typically has lower fees and requires a higher minimum investment compared to other classes. GIIAX is a suitable option for investors looking to diversify their portfolio and potentially benefit from the growth of international markets.