NASDAQ
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F.N.B. Corporation (FNB) has a market cap of $6.30B as of Thursday, May 21, 2026. The FNB market cap is down 0.91% over the past 30 days and has grown 27.02% 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.