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Their book A Non-Random Walk Down Wall Street, presents a number of tests and studies that reportedly support the view that there are trends in the stock market and that the stock market is somewhat predictable. [12] One element of their evidence is the simple volatility-based specification test, which has a null hypothesis that states:
The efficient market hypothesis posits that stock prices are a function of information and rational expectations, and that newly revealed information about a company's prospects is almost immediately reflected in the current stock price. This would imply that all publicly known information about a company, which obviously includes its price ...
A stock market, equity market, or share market is the aggregation of buyers and sellers of stocks (also called shares), which represent ownership claims on businesses; these may include securities listed on a public stock exchange as well as stock that is only traded privately, such as shares of private companies that are sold to investors ...
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A Random Walk Down Wall Street, written by Burton Gordon Malkiel, a Princeton University economist, is a book on the subject of stock markets which popularized the random walk hypothesis. Malkiel argues that asset prices typically exhibit signs of a random walk , and thus one cannot consistently outperform market averages .
Stock market cycles are proposed patterns that proponents argue may exist in stock markets. Many such cycles have been proposed, such as tying stock market changes to political leadership, or fluctuations in commodity prices. Some stock market designs are universally recognized (e.g., rotations between the dominance of value investing or growth ...
Sculpture of stock market bear outside International Financial Services Centre, Dublin. A bear market is a general decline in the stock market over a period of time. [12] It involves a transition from high investor optimism to widespread investor fear and pessimism. One generally accepted measure of a bear market is a price decline of 20% or ...
A candlestick chart (also called Japanese candlestick chart or K-line) is a style of financial chart used to describe price movements of a security, derivative, or currency. While similar in appearance to a bar chart, each candlestick represents four important pieces of information for that day: open and close in the thick body, and high and ...