Bank One Corp. chief executive officer John B. McCoy said the size question-whether it is best to be big-has been on his mind for 20 years.

Over that time, what was a regional bank in central Ohio with about $3 billion of assets has grown to almost $300 billion, which makes it pretty clear where Mr. McCoy stands.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

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