The RMB Japan Fund - Class I (RMBPX) is a mutual fund that primarily invests in Japanese companies. It aims to provide investors with long-term capital appreciation by investing in a diversified portfolio of Japanese stocks. This fund is classified as Class I, which typically indicates a lower expense ratio and higher minimum investment compared to other classes of the same fund. Investors in this fund can benefit from exposure to the Japanese market and potential growth opportunities in the region.