Duff & Phelps Utilities Income. Replay the stock market charts of DNP day by day back to 2003. Open long and short positions without spending any money. The primary investment objective is current income and long-term growth of income. Capital appreciation is a secondary objective. The Fund primarily invests in a diversified portfolio of equity and fixed-income securities of companies in the public utilities industry. The Fund invests in various sectors, including electric and gas, communication, real estate investment trusts, non-utility and utility.