Advanced Energy Industries Joins S&P 400 Amid Momentum and Valuation Focus

Advanced Energy Industries has been added to the S&P 400 Index, moving from the S&P 600. The shares recently closed at $257.64, with a 12.2% return over the past 30 days and a 16.1% return year to date. The company's market classification and index membership have been updated. Investors should watch for changes in trading volumes, index fund ownership, and day-to-day price moves following the index change.