Ripple said it deepened its relationship with brokerage firm TJM Investments, buying a minority stake that takes it further into the behind-the-scenes infrastructure that institutions use to trade and settle assets. Ripple will support the trading and clearing operations of TJM, a U.S.-regulated broker-dealer, as part of the arrangement. The companies did not disclose financial terms. The relationship builds on Ripple’s institutional platform, Ripple Prime, which provides trading, financing and collater ...