NRK is a mutual fund that focuses on providing investors with high-quality municipal income from New York, while also being exempt from the alternative minimum tax (AMT). This fund, managed by Nuveen, aims to provide a steady stream of tax-free income for investors through investments in municipal bonds issued by the state of New York. With a focus on quality and tax efficiency, NRK offers a beneficial interest for those looking to diversify their portfolio with municipal bonds.