No, the exact opposite happened, narrowing the spread is super favorable to mutual funds http://www.cnbc.com/2014/04/25/vanguard-chief-defends-high-frequency-tr

No, the exact opposite happened, narrowing the spread is super favorable to mutual funds http://www.cnbc.com/2014/04/25/vanguard-chief-defends-high-frequency-trading-firms.html http://www.cnbc.com/2014/04/25/vanguard-chief-defends-high-f...