Years ago, Alvin spent a day sitting behind Robin Ho’s shoulder, watching him trade. Robin was at his desk before the market opened, trade plans ready, trendlines already drawn on his charts. Buy near the low, sell near the high, and don’t fire unless the price level and the volume both agreed. What struck Alvin then wasn’t the profit at the end of the day. It was the discipline. Robin passed on far more trades than he took. It had been a few years since Dr Wealth last properly caught up with Robin. When we finally sat down with him, he told us about the time in between, and it was heavier than any drawdown. He was diagnosed with Stage 4 cancer. For a man whose entire craft is built on managing risk and protecting the downside, it was the one position he couldn’t hedge. He went through the fight, came out the other side, a...