The Neuberger Berman U.S. Equity Index PutWrite Strategy Fund Class R6 (NUPRX) is a mutual fund that focuses on investing in a diverse portfolio of U.S. equity securities while also utilizing a put writing strategy. This strategy involves selling put options on the underlying securities, generating income for the fund and potentially reducing volatility. The fund is classified as Class R6, indicating it is designed for institutional investors and has lower fees compared to other classes. Overall, NUPRX aims to provide investors with long-term capital appreciation through a combination of equity investments and put writing.