One of my favorite areas to invest in to protect my profits and reduce my portfolio risk is an ETF that invests in gold. SPDR Gold Shares ETF (GLD) has advanced 150% during the past five years compared to an advance of just 1% for the Standard & Poor’s 500 Index. And during the ugly bear market from October 9, 2007, until March 9, 2009, GLD was up 23.9% compared to the -56.8% drubbing that the S&P 500 took. The SPDR Gold Shares ETF seeks to replicate the performance of the price of gold bullion on a one-to-ten ratio....