American Funds American High-Income Trust R6 (RITGX) is a mutual fund offered by Capital Group Companies, Inc., that seeks current income, preservation of capital, and secondarily long-term growth of capital by investing primarily in lower-quality, income-paying debt securities. The fund's portfolio includes a diversified mix of high-yield corporate bonds, U.S. government securities, mortgage-backed securities, and other fixed-income instruments; it employs a multiple-portfolio-manager approach with bottom-up security selection focused on issuers with improving fundamentals. RITGX targets institutional and high-net-worth investors through its R6 share class, which features lower expense ratios and no sales loads compared to retail classes. The fund operates globally with significant exposure to U.S. issuers but also invests in non-U.S. debt securities across developed and emerging markets. Capital Group, headquartered in Los Angeles, California, founded the American Funds family in 1931. Recent developments include enhanced focus on sustainable investing criteria in portfolio construction amid regulatory shifts and a strategic allocation increase to collateralized loan obligations in response to elevated interest rates as of late 2024.