The Boston-based company is in the process of exiting the stable-value business, said spokeswoman Alicia Curran Sweeney.Some insurance contracts allow the issuer to terminate for any reason provided the company gives notice, such as 90 days, Stone said.???All Bets Off'???If we went into some kind of world calamity here, it could be all bets off,??? Stone said. ???You can imagine an instance where