Stephen Yu is an investment strategist with over 10 years of experience investing in a wide range of asset classes including equities, fixed income securities, commodities, and currencies. From 1997 through 2008, his portfolios returned an average of 11.2% per year vs. 1.1% for the S&P 500. The portfolios are long-only, use no leverage, and their volatility are lower than S&P 500 volatility.