Answer,
Stock prices began to fall in October 24 1929 which is known as the black Thursday.They sold their businesses and cash in their life savings.
Explanation,
The fall of stock crises is known as the stock crash.It began in October 24 1929 the Black Thursday and ended in October 29 1929 which is known as the Black Tuesday.This was the beginning of financial crisis in America .It led to heavy losses and many people were not able to recover their debts.It destroyed confidence in wall street market which led to Great depression.Billion of dollars were lost wiping out thousands of investors.