PDFS vs NMZ Comparison

PDF Solutions Inc offers products and services designed to empower engineers and data scientists across the semiconductor ecosystem to improve the yield, quality, and profitability of their products. The solutions combine proprietary software, physical intellectual property (or IP) for integrated circuit (or IC) designs, electrical measurement hardware tools, various methodologies, and professional services. The company's products and services are sold to integrated device manufacturers (or IDMs), fabless semiconductor companies, foundries, outsourced semiconductor assembly and test (or OSATs), and system houses.

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.