This crazy debate stopped trading on the floor of the New York Stock Exchange. For 23 minutes, IEX's Brad Katsuyama and BATS Global Markets President William O'Brien argued about whether markets are "rigged" and whether high-speed trading confers an unfair advantage.
As reported by CNBC:
Traders stood transfixed as the two argued over the very nature of the stock market and whether the average investor could even compete with the big guys. (Twitter stopped too; see the tweets here.
Watch all 23 minutes here.