6 big banks, 6 big shake-ups

The mortgage mess has unleashed a restructuring wave as banks try to clean house.

Citigroup
Citi CEO Chuck Prince was forced out after the firm reported massive mortgage-related losses.
Citigroup
Who's out: Chairman and CEO Charles Prince stepped down Nov. 4 after losses piled up at the firm.

What's shaking: On Dec. 11, Citi named Vikram Pandit CEO and appointed Win Bischoff as chairman. Wall Street is waiting to see what moves Pandit makes to address Citi's pressing problems.

Cause of concern: Citigroup said it expects a reduction of between $8 billion and $11 billion in the fair value of its exposure to the subprime mortgage market.

Citigroup

Merrill Lynch

Bank of America

Bear Stearns

Lehman Brothers

Morgan Stanley