Not much has been heard from IEX since the Securities and Exchange Commission (much to our amazement) flipped the bird to the all-powerful HFT lobby and granted the exchange's request for a license, cementing IEX's status as the US's 13th stock exchange while also approving the company's vaunted "speed bump" - a mechanism that slows down trades by 350 millionths of a second to help protect its customers from being front run by predatory HFT algos. That was more than two years ago. But on Wednesday, headlines about the subject of Michael Lewis's best-selling novel "Flash Boys" hit the tape when Interactive Brokers ... (full story)