DK vs NMZ Comparison

Delek US Holdings Inc is an integrated energy business focused on petroleum refining, transportation and storage; wholesale crude oil, intermediate, and refined products, and convenience stores retailing. The company owns and operates independent refineries that produce a variety of petroleum products for transportation and industrial markets in the United States. Delek's logistics segment sells portions of the petroleum products its refineries produce. The logistics segment generates revenue through gathering, transporting, and storing crude oil and intermediate products, as well as by marketing, storing, and distributing refined products. The company also offers a collection of retail fuel and convenience stores operating in the Southeast region of the United States.

Nuveen Municipal High Income Opp Fund is a diversified, closed-end management investment company. The company's investment objectives is to provide current income exempt from regular federal income tax by investing predominantly in a portfolio of municipal obligations issued by state and local government authorities or certain U.S. territories. It seeks to provide attractive monthly tax-free income, portfolio diversification and attractive after tax total returns. The fund invests in municipal securities that are exempt from federal income taxes.