The Most Important Principle for Money Managers Is Ethics Ethics have been in rare form on Wall Street for many years, says CalSTRS CIO Christopher Ailman. And it's the single trait that all money managers should have. Related Articles Video The Case for European Small-Caps Gets Stronger Staff Video Five Black Swans That Could Change the Course of 2023 Staff Will 2025 Be the Year of Diversification in Equities? Sponsored by CME Group