NAD is a mutual fund that focuses on providing investors with high-quality municipal income. Managed by Nuveen, a leading investment firm, this fund seeks to generate income through investments in municipal bonds issued by state and local governments. These bonds are typically considered to be low-risk investments, making NAD a suitable option for investors looking for stable income. With a focus on quality, this fund aims to provide investors with a steady stream of tax-free income while also preserving capital. NAD is a solid choice for those seeking a conservative investment option with potential tax benefits.