Notes

We are solely responsible for our ability to succeed, so dream big!

In effect, the HFTs were scamming investors by charging them a little additional tax on their trades. This would have been bad enough on its own, but HFTs were also making the market more volatile and unpredictable through their lighting-fast, algorithm-driven trades.

bigger volumes have more priorities ?

The HFTs began trading big volumes on the new exchanges, and so the older ones began losing market share, which ultimately convinced them to let the HFTs in, too.