Moody's Investors Service Inc. upgraded the senior debt ratings of Bank of Boston Corp. and Shawmut National Corp., another sign that the banks are on the mend.

The upgrade boosts Bank of Boston's senior debt rating to Baa3 from Ba2, the first time the company's debt has been rated investment grade in two years.

Limited Time Offer

Save $400 off your subscription. Special offer ends April 30, 2017.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.