IEX gets surprising congratulations from rival Bats

Bats Global Markets was the only major stock exchange in America to congratulate IEX Group Inc. for gaining national stock exchange status. The Investors Exchange is the brainchild of Brad Katsuyama, who gained national fame in a best-selling book called “Flash Boys” by Michael Lewis for pointing out how high-frequency traders were abusing current stock exchange systems. Katsuyama was formerly the global head of electronic sales and trading at Royal Bank of Canada. He noticed that high-frequency…