Lehman Brothers' shares fell 90% on bankruptcy
Global financial services firm Lehman Brothers' shares fell by over 90% on September 15, 2008, the day it filed for the biggest bankruptcy in history. The United States' fourth-largest investment bank with over 25,000 employees worldwide at the time, it had a debt of over $600 billion during bankruptcy. Lehman Brothers' collapse greatly intensified the 2008 financial crisis.