The sensitivity of a stock's return to the return on the market portfolio is called the stock's Beta.
Beta is a measure of a stock's volatility relative to the overall market. By definition, the market has a beta of 1.0, similar to the S&P 500 Index, and individual stocks are ranked by how much they deviate from the market. Stocks that fluctuate more than the market over time have beta values greater than 1.0.
The stock market, stock market, or stock market, is a collection of buyers and sellers of shares that represent ownership of companies. These may include securities listed on public stock exchanges.
Place where shares of publicly traded companies are traded. The primary market is where companies go public in an initial public offering (IPO) to raise capital.
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