Finding stocks that consistently generate positive alpha—meaning they outperform the market on a risk-adjusted basis—is a key goal for savvy investors. While markets can be unpredictable, certain companies have demonstrated a persistent ability to beat benchmarks throughTrader, analyst & portfolio manager, from 1975 - 2001. Former head of equity trading at Northern Trust Co. in Chicago. Now a private investor, founder of a nonprofit investor advocacy firm, and private investing coach. It gives me great sati ...