MF Global: 8th Largest Bankruptcy; What Do Lehman, GM, Chrysler, Enron Have In Common?

What do Lehman, GM, Chrysler, Enron have in common?

MF Global is no more, joining a sad group of the top 10.

1) Lehman Brothers Holdings, September 2008: $691B in assets
2) Washington Mutual, September 2008: $327.9B

3) WorldCom, July 2002: $103.9B

4) General Motors, June 2009: $91B

5) CIT Group, November 2009: $80.4B

6) Enron, 2001: $65.5B

7) Conseco, 2002: $61.4B

8) MF Global: Est. $41 billion (Sept. 30) (?)

9) Chrysler April, 2009: $39.3B

10) Thornburg Mortgage May, 2009: $36.5B