IEX Gives Gensler a Lift by Backing Big Changes to Stock Trading Rules

Also, CFTC sues Binance; Barr signals banking crisis will lead to tougher rules

Numerous financial companies are expected to send in comment letters in the next few days blasting SEC Chair Gary Gensler’s overhaul of stock trading rules. But there’s always an outlier.

This time it’s the maverick exchange operator IEX. The company sent in its own review – with a decidedly pro-Gensler bent – last week. It provides the SEC chief some mu…