The big banking merger in Switzerland will put competitive pressure on U.S. banks and may give them another potential acquirer to think about.

"The deal clearly ups the ante on the global stage," said Michael Mayo, banking analyst at Credit Suisse First Boston.

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.