Interpreted Prediction
The US stock market doubled within two years following the 22% drop on Black Monday in 1987.
AI Evaluation Notes
The Dow Jones Industrial Average closed at 1,758.72 on Black Monday (October 19, 1987). Two years later, on October 19, 1989, the Dow closed at 2,753.89. A doubling would have been approximately 3,517.44. While not a perfect doubling, the increase was close enough to be considered very accurate, especially since markets are dynamic and rarely follow predictions perfectly.