SEC's Market Structure Revamp Isn't The Only Rule Targeting Citadel and Virtu

Also, the New York non-compete bill that 'snuck up' on financial firms; Barr says stress tests show large banks remain 'strong and resilient'

SEC Chair Gary Gensler hasn’t hidden his desire to rein in Citadel Securities and Virtu Financial as he tries to remake stock trading regulation. But he is also targeting the powerful firms in a far less noticed rule on trading breakdowns – a situation that Virtu, which has emerged as one of the chair’s most pugnacious opponents, doesn’t see as a coinci…