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.
The 1930 Wall Street crash would propel the market downward, and the trend would continue until the market bottomed out in 1932. As the stock market and the economy fed on the problems of the other, the fall of 1930 saw the unavoidable signs of depression take hold of the US, almost a full year after the initial crash. The 1929 and 1930 Wall Street crash served to weaken investor confidence, as well as caused a drop in trading volume.