The most dangerous job on Wall Street is looking like the corner office. CEOs and CFOs are getting their jobs whacked faster than the post-Lufthansa heist crew in the movie Goodfellas.

Vikram Pandit

The biggest bop came Tuesday morning, when the headline crossed that Citigroup CEO Vikram Pandit is out at the bank, effective immediately. It's the 'effective immediately' that catches the eye, especially because the news comes a little more than two months after a Wall Street Journal story on Pandit reported that he told colleagues he intends to stay "for several years."