 Transaction strategically expands Sun Lifes U.S. Stop-Loss Health business TORONTO, WELLESLEY, Mass. and BALTIMORE, April 23, 2021 PRNewswire - Sun Life Financial Inc. TSX: SLF NYSE: SLF announced today that it has agreed to acquire Pinnacle Care International, Inc. PinnacleCare, a leading U.S. medical intelligence and health-care navigation provider. 