The forces that determine a stock's price are the result of Market analysts who have access to information you don't, Market makers who are working to maintain a specific price, and Patterns of behavior that investors have exhibited for as long as there have been markets. The beginning of an extended rally. A graphic representation of movement of a stock, commodity, bond or currency.
Axes are usually price and time.
Investors often react to news stories, market changes and other factors in the same irrational, but predictable, fashion. A line drawn to connect a series of highs or lows in a trend. Paid employee of a broker who specializes in the study of a particular industry, or, sometimes, company. A broker or bank continually prepared to make a two-way price to purchase or sell for a security or currency. Actual increase in the wolume of transactions of the instrument being charted.