Investors have been concerned about China stock performances, citing that one wouldn't have made money even if held the investments for years. But my view is that almost every market can have very bad returns for a stretch of time. Just that humans tend to be myopic, basing our judgement on recent performances (recency bias).As such, I went to dig some data to see the rolling 10-year returns on 3 indices - S&P 500, CSI 300 and STI. I would have preferred to use MSCI China index because it is a better representation of the overall Chinese enterprises but the historical data is lacking so I chose CSI 300 instead. But you should note that it involves only the A shares (listed in Shanghai and Shenzhen) and excludes the H-Shares and USD ADRs like Alibaba. Even for CSI 300 I could only get d