- 4-Week # shares sold: 15,200
- 12-Week # shares sold: 63,100
- 24-Week # shares sold: 178,527
It was a year ago this week that a flash crash sent ETFs into uncharted territory.
The majority of asset managers are trailing the S&P 500 so far in 2016. A big reason for that underperformance is the emergence of index funds.