A faulty ignition module can cause a vehicle to overheat. The vehicle may run and then lose power suddenly due to a rise in the engine's temperature. Once the engine cools, the vehicle will start and run until it overheats again.
In two days the Dow Jones industrial average fell by 25% (ending on Black Tuesday, 29 October). The volume of stocks traded set a record that was not broken for 40 years. When it finally reached its record low in July 1932, the Dow Jones had fallen 89%, and it did not recover to 1929 levels until 1954.
Expert on ancient and European history. The original crash lasted 2 days, October 28 and 29, 1929. Then the stock market index continued to fall until July, 1932 when it reached its lowest point (41.22, down from 381.17 shortly before October, 1929). From then on it started a slow climb that would continue to be slow until WW 2.