 Investors had a great June quarter as economies reopened and stimulus cash flooded markets. The US Dow Jones 17.8 per cent, SP500 20 per cent and Nasdaq 30.6 per cent indexes posted their biggest quarterly gains since 1987, 1998, and 1999, respectively. The German Dax lifted 23.9 per cent. Japans Nikkei rose 17.8 per cent ... 