The Rational/Pier 88 Convertible Securities Fund Class A (PBXAX) is a mutual fund that primarily invests in convertible securities, which are bonds or preferred stocks that can be converted into common stocks. This fund aims to provide investors with a balance of income and capital appreciation by investing in a diverse portfolio of convertible securities from various industries. The fund is managed by Rational Funds and Pier 88 Investment Partners, and is suitable for investors seeking a potentially higher return than traditional fixed-income investments with a moderate level of risk.