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.
Between its peak of on and its bottom of on March, the Dow lost more than 50% of its value. Black Monday, the crash of 1987, occurred on October 19, 1987. The Dow dropped 20.4%, the largest one-day percentage loss in stock market history. It took two years before the market returned to pre-crash levels.