NMZ vs PRLB Comparison

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.

Proto Labs Inc is an on-demand manufacturer of custom parts for prototyping and short-run production. The company offers developers and engineers quick-turn production services to reduce the time to market. Proto Labs uses injection molding, computer numerical control machining, and 3-D printing to manufacture custom parts for its clients. The company services clients' needs for prototype solutions, parts for testing procedures, bridge production capabilities during disruptions in manufacturing processes, limited-quantity requests, and end-of-life production support. Geographically, a majority of the company's revenue is derived from the United States and the rest from Europe.