When there is an upward movement in stock prices, it is referred to as a bull market. During a bull market, the overall market sentiment is positive, and there is an expectation of continued price appreciation. Investors tend to buy stocks with the anticipation of making profits.
In contrast, when there is a downward movement in stock prices, it is referred to as a bear market. During a bear market, the overall market sentiment is negative, and there is an expectation of continued price decline. Investors tend to sell stocks to avoid potential losses.