Answer:
The answer is The stock market dropped dramatically.
By the time of its Bankruptcy, The Lehman Brothers had $ 619 Billion in Debt with only $ 22.5 Billion in Capital.
This means that as soon as they announce their bankruptcy, that $ 619 Billion will dissapear from the market and will damage whoever involved with the Bank, which caused investors to lost confidence in the Market.
Step-by-step explanation: