NEW YORK--(BUSINESS WIRE)--American International Group, Inc. (NYSE: AIG) today announced strategic investments in Convex Group Limited, a privately held, global specialty insurer, and Onex Corporation (TSE: ONEX), a global asset manager. Upon closing, AIG will hold minority stakes in each company, giving AIG the opportunity to participate in Convex's growth and invest in Onex's high-performing investment funds. Founded in 2019, Convex Group is a privately held global specialty insurer with a r. ...