The AB High Income Fund, Inc. - Class Z (AGDZX) is a mutual fund that focuses on generating high income for investors. It invests in a variety of fixed income securities, such as corporate bonds, government bonds, and mortgage-backed securities. The fund is managed by AB, a global investment management firm, and is designed for investors seeking a higher level of income from their investments. With a ticker symbol of AGDZX, this mutual fund offers investors the opportunity to diversify their portfolio and potentially earn a steady stream of income.