# Tag: financial regulation Brazil

- [CVM Reshapes Leadership After Master Case, Signals Tougher Oversight](https://brazilstockguide.com/insights/cvm-banco-master-investigation-leadership-overhaul/) (2026-03-30): Interim chairman João Carlos Accioly replaces top superintendents to tighten supervision and reset internal processes after Banco Master fallout.
- [Brazil Central Bank liquidates Reag and Advanced, escalating crackdown on market failures](https://brazilstockguide.com/insights/brazil-central-bank-liquidates-fx-broker-halting-former-import-leader/) (2026-01-15): FX broker Advanced and securities distributor Reag (CBSF) are forced into extrajudicial liquidation after supervisors cite serious rule violations.