Rio Tinto (NYSE: RIO ) shares have been relatively stable over the past 10 years. However, the dividend yield is high at 7.2% which makes the total return almost equal to that of the S&P500. The balance sheet has strengthened considerably in recentI'm a passionate investor from the Netherlands with 12 years of stock market experience. My articles usually contain a good overview of important investment criteria. A stock for my portfolio is of interest to me if the company has the following characteristics:1. ...