The Nuveen Dow 30 Dynamic Overwrite Fund (DIAX) is a mutual fund that seeks to provide investors with exposure to the 30 largest and most established companies in the United States, as represented by the Dow Jones Industrial Average. This fund utilizes a dynamic overwrite strategy, which involves writing call options on the underlying stocks in order to generate additional income for investors. This approach may also help to mitigate downside risk in the portfolio. With a focus on large-cap companies and a unique options strategy, DIAX offers a potentially attractive option for investors seeking exposure to the U.S. stock market.