Earlier quoted context omitted.
Past performance is no guarantee of future results.
Yup, you also want to look at macroeconomic conditions around the world, tech trends, demographics, etc. For example, 10 years ago we had quantitative easing done by US/Europe, which led to subprime loans. Now, all of the major economies around the world is tapped out with QE, so deflation is the theme going forward Also, 10 years ago the dollar prime rate was 0%. Now it's close to 2%. That drives the emerging market…
QE did not cause subprime loans - QE was the response to the effects of the subprime loan era.
There was no QE before the liquidity crisis and subsequent economic recession, although it had been discussed academically.