The U.S. stock market reached new highs to close out 2017. The S&P 500 stock index was up over 21% last year and already another 6% in January before experiencing some decline in February. Given that the long term average return for the stock market is around 10%, future price appreciation is likely to be much lower. Not to mention that the market has not had a significant drop in almost a year and a half – far from the…