NASDAQ
Altria Group, Inc. (MO) has a market cap of $123.32B as of Thursday, May 21, 2026. The MO market cap is up 14.01% over the past 30 days and has grown 23.18% over the past year. Market capitalization represents the total market value of a company's outstanding shares, calculated by multiplying the stock price by the total number of shares outstanding.
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