Notes

The market for a security (or its trading price) is based on its bid and ask prices, not the last traded price. ... When you place a market order, you are asking for the market price, which means you must buy at the lowest ask price or sell at the highest bid that is available for the stock.

Buyers and sellers exchange a price..(Slide, What are stock trades? As well as how it goes with the stock market crash)
-During the 1920's the stock market underwent a massive expansion
-The stock market crash wasn't the only thing that caused the Great Depression, although, it was a major symptom.
-Stock prices soon began to decline in September and early October of 1929.
-Black Thursday, is known as the most devastating stock crash in history.
-On October 18th, things worsened much more, and the community began to panic.
-Then, it worsened. On Black Thursday, a record of 12,894,650 shares were traded
-Investment companies and bankers tried to fix the situation by buying up great blocks of stock.
-But, this didn't resolve the situation at all, on Monday, the market went in to free fall.
-On black monday 12.8 of the market closed.
-Black Monday became Black Tuesday, and stock prices collapsed completely and 16,410,030 shares were traded on the New York Stock Exchange in one day.
-Tons of money was lost. The effects? Many investors, and stock tickets ran many hours behind because the machines couldn't keep up with the massive amounts of trading.
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