On the famous Black Thursday, the stock market plummeted, people panicked. But by the end of the day the stock market sold 12.9 million stocks. Yet four days later it fell again. Many investors hoping to get out of the stock market before they had lost everything, like they almost did on Black Thursday, decided to sell. But this time when stocks plummeted, no one could save it from going down the drain. Then Black Tuesday came along. This is known as the worst day in stock market history! Everyone panicked, people were selling stocks but no one was buying them. Over 16.4 million shared stocks were sold, it was a new record. On November 23, 1929. Then the stocks became for stable. But stocks continued to drop over the next two years.