Jim O’Shaughnessy is the Chairman and Chief Investment Officer of O’Shaughnessy Asset Management (OSAM). He was a pioneer in quantitative equity research, part of an early group of explorers who combed through data to find factors which predicted future stock returns. O’Shaughnessy is the author of four books on investing. “Mandelbrot basically demonstrates that markets are not log normal but chaotic normal. They have much more of a peak and … Continue reading Lessons from Jim O’Shaughnessy