https://en.wikipedia.org/wiki/Black_Monday_(1987)
https://www.cnbc.com/2019/03/08/movement-in-shanghai-stocks-following-chinese-trade-data-miss.html
Friday, March 8, 2019
Stock Market Is Shrinking (Getting Ready To Crash): Crash Begins Monday, April 15, 2024
https://www.cnn.com/2024/04/09/investing/premarket-stocks-trading/index.html
