Finra Warns Constitutional Challenge Could 'Eviscerate' Market Oversight

Also, SEC grants a reprieve to brokers and bond investors; Waters to Gensler: Get moving on climate rule

Finra is raising the stakes in the federal court battle over the legality of its in-house judicial system, warning that the case could pose an “existential threat” to the U.S. system of financial regulation and investor protection.

In a strongly worded brief filed Friday, the self-regulator dismissed the notion that its hearing officers are exercising go…