Market Cap is calculated by multiplying the number of shares outstanding by the stock's price. For companies with multiple common share classes, market capitalization includes both classes.

It has been a banner year for the stock market, and it isn't over yet. As we write, the S&P 500 stands at 5,961.37, leaving it up 25.0% year-to-date, excluding dividends. In early December 2023 the ...