There is a slowdown lurking.\xa0 It is currently hiding so well, in the long grass of statistical anomaly, that many observers, including the Federal Reserve, don\u2019t seem to notice it at all. However, investors need to recognize it and have a clear view on the outlook for economic growth, jobs, inflation and profits, how the Federal Reserve may react to a slowdown, and what this could mean for investment returns over the next few years.