The US Consumer Financial Protection Bureau (CFPB) expresses concerns over the Capital One and Discover merger, stating the need for close analysis. The merger is seen as a small negative for Mastercard. JPMorgan considers synthetic risk transfers, potentially involving the FDIC and First Republic. US bank regulators extend the comment period on the Capital One-Discover deal. The FDIC is reaching out to potential buyers of Republic First. A US bank regulator plans to review asset manager stakes in banks, while FDIC officials aim for more control over passive bank investments.