Louis Bacon is down 2% this year through June. What really puzzles me is why former hedge fund stars like him have been performing so poorly throughout this 8-year stock market rally? Shouldn’t it be a breeze for them to earn money? It’s not just S&P500 that is performing superbly. It’s a global stock market rally. Germany’s DAX Index made >10% year to date. Asian indices like Singapore Straits Times Index and Hong Kong Hang Seng Index have made >14% year to date. Why is it so difficult for…