Byrne says a series of new regulations and enforcement actions by the agency will amount to a "purge" of the sector, competition against which "Flash Boys" protagonist Brad Katsuyama described as like "getting screwed, but [I] couldn't figure out who was screwing me."
"You'll probably see the commission coalesce around those enforcement cases and then bring new rules on high-frequency trading," a source with knowledge of the SEC's thinking told The Post. "There's a lot of pressure on the SEC to act."