The Calamos Global Convertible Fund Class A (CAGCX) is a mutual fund that primarily invests in convertible securities from companies around the world. These securities are a type of bond that can be converted into stock, providing potential for both income and capital appreciation. The fund is managed by Calamos Investments and aims to provide investors with a diversified portfolio of global convertible securities. It may also invest in other types of securities, such as common stocks and fixed-income instruments, to further diversify its holdings. The fund's objective is to generate long-term growth while managing risk through a combination of convertible security selection and active management.