ING Group

While thousands of Americans unleash their anger at big banks in protests around the country, many more are registering their dissatisfaction from their keyboards. In the wake of last week's news that Bank of America is adding a new $5 fee for debit card use, online-only banks saw waves of new customers coming through their virtual doors.

After a painful 2008, insurance companies have made a comeback, with plenty of cash on their balance sheets. As a result, mergers and acquisitions will likely dominate the insurance and reinsurance market in 2010.