The Janus Henderson High-Yield Fund - D Shares (JNHYX) is a mutual fund that focuses on investing in high-yield bonds and other fixed-income securities. This fund aims to provide investors with a steady stream of income through its portfolio of lower-rated, higher-yielding bonds. The D Shares class of this fund typically has a lower expense ratio and is designed for investors who are looking for a more cost-effective option. With a focus on high-yield investments, this fund may carry a higher level of risk but also has the potential for higher returns.