The S&P 500 made another new high on Monday of last week. It was the 27th for the year so far. Two up days couldn’t overcome the three down days. The net result was a decline of 0.3% forFor 28 years, I was a professional trader, analyst & portfolio manager. I ran the equity trading desk at Northern Trust Co. in Chicago. Now I am a private investor, the founder of a nonprofit investor advocacy firm, and a private investing coach. My average annual return is 17.2%. The time period is from January 2009, when I ...