In the United States alone 30 kinds of the Botfly species have been found. To name a few are the Mouse Bot Fly, Horse Botfly, and the Human Botfly. The bot fly will hijack a mosquito to inject the host with the eggs. It latches onto several species which allow the larvae to enter the skin of the host.
On 29 October 1929, the US stock market crashed. The day became forever after known as Black Tuesday. The so-called Great Crash is known by a a variety of monikers including the Wall Street Crash of 1929 and the Stock Market Crash of 1929.
Over the last hundred years, there have been several large stock market crashes that have plagued the American financial system. For example, during the Great Depression, stock prices dropped to 10% of their previous highs and during the crash of 1987, the market fell more than 20% in one day. Due to the way stocks are traded, investors can lose quite a bit of money if they don't understand how fluctuating share prices affect their wealth.