Core Insights - Phoenix Education Partners' shares increased by 18.8% during their debut on the New York Stock Exchange, indicating strong market interest and investor confidence [1] - The valuation of the University of Phoenix-owner reached $1.35 billion following the stock debut, reflecting the company's market potential and growth prospects [1] Company Summary - Phoenix Education Partners is the owner of the University of Phoenix, a significant player in the higher education sector [1] - The successful stock market debut suggests a positive outlook for the company and its future financial performance [1]