Actually, electricity is caused by tiny hamsters running very very fast. Fuses therefore consist of tiny bridges - if too many hamsters try to cross the bridge at any one time, the bridge breaks and no current flows.
The stock market is a lie. If a billion shares are sold, then a billion must also be bought. Therefore, the Dow Jones is just a fantasy perpetrated by gamblers in Las Vegas who bet on the activities of the gullable public.