Market Cap Definition: Market cap (i.e. market capitalization) is the total market value of the company's outstanding shares. To calculate a company's market cap, you simply take the current stock price and multiply it by the total number of shares outstanding. For example, if Apple (AAPL) had 935 million shares outstanding and its stock price was $570 per share, its market cap would be $532.9 billion (935 times $570). Market cap is often used by investors to obtain a quick estimate as to a company's overall value. Investors will often use market capitalization as one factor in determining a prospective stock purchase. For example, an institutional investor may want to limit their stock purchases to companies with market capitalizations greater than $5 billion in order to ensure sufficient liquidity. Stocks are often categorized by market cap: large-cap ($10 billion or more), mid-cap ($2 billion-$10 billion), small-cap ($300 million-$2 billion), and micro-cap (less than $300 million).
Largest Companies by Market Cap Table Description: The following table lists the 50 largest companies by market cap (available on major US stock exchanges). The table includes and can be sorted on: company ticker symbol, company name, market cap rank, and market cap (in billions of dollars) as well as the stock's one-day, one-month, and 12-month percent change. For summary statistics of these 50 largest companies by market cap as well as how they compare to the Dow, simply scroll down to view the summary table. This table is updated every day after the close.
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| Symbol | Company | Cap Rank | Market Cap | 1d Chg | 1m Chg | 12m Chg |
| - | - | on 11/4/16 | on 11/4/16 | on 11/4/16 | on 11/4/16 | on 11/4/16 |
| AAPL | Apple | 1 | 580.4 | -1.6% | -2.4% | -10.4% |
| GOOGL | Alphabet | 2 | 538.3 | -0.8% | -2.3% | 4.5% |
| MSFT | Microsoft | 3 | 456.5 | -0.4% | 3.1% | 9.3% |
| AMZN | Amazon.com | 4 | 358.8 | 0.2% | -8.3% | 22.7% |
| BRK-A | Berkshire Hathaway | 5 | 353.3 | 0.0% | -0.3% | 4.0% |
| FB | 6 | 346.8 | -5.6% | -6.8% | 17.0% | |
| XOM | Exxon Mobil | 7 | 346.6 | 0.3% | -3.9% | -3.7% |
| JNJ | Johnson & Johnson | 8 | 314.9 | 0.1% | -3.2% | 12.8% |
| GE | General Electric | 9 | 253.2 | -0.7% | -4.6% | -4.4% |
| JPM | JPMorgan Chase | 10 | 242.4 | -0.4% | 2.8% | 4.0% |
| BABA | Alibaba Group | 11 | 241.3 | -0.8% | -7.2% | 17.2% |
| CHL | China Mobile | 12 | 229.0 | -0.2% | -9.2% | -7.0% |
| PG | Procter & Gamble | 13 | 227.7 | -0.2% | -2.3% | 12.4% |
| T | AT&T | 14 | 224.1 | 0.7% | -10.2% | 8.9% |
| WFC | Wells Fargo | 15 | 224.1 | 0.2% | 3.4% | -17.5% |
| WMT | Wal-Mart Stores | 16 | 213.9 | 0.3% | -3.3% | 19.8% |
| RDS-A | Royal Dutch Shell | 17 | 201.1 | -0.2% | 1.1% | -7.1% |
| CVX | Chevron | 18 | 197.7 | 0.0% | 2.9% | 7.4% |
| VZ | Verizon | 19 | 191.9 | -0.1% | -9.7% | 0.9% |
| V | Visa | 20 | 188.3 | 0.1% | -2.7% | 3.5% |
| PFE | Pfizer | 21 | 182.0 | -2.4% | -11.3% | -14.5% |
| BUD | Anheuser-Busch InBev SA/NV | 22 | 180.2 | -1.9% | -12.8% | -5.4% |
| KO | Coca-Cola | 23 | 179.8 | 0.0% | 0.0% | -0.3% |
| BAC | Bank of America | 24 | 174.0 | 0.0% | 5.4% | -4.1% |
| NVS | Novartis | 25 | 166.9 | -1.9% | -11.5% | -22.5% |
| MRK | Merck | 26 | 162.6 | -0.7% | -6.5% | 6.0% |
| INTC | Intel | 27 | 159.3 | -1.9% | -9.9% | -1.1% |
| ORCL | Oracle | 28 | 157.2 | 0.7% | -1.7% | -4.7% |
| TSM | Taiwan Semiconductor Manufacturing | 29 | 156.8 | -0.4% | -1.4% | 33.0% |
| PEP | Pepsico | 30 | 151.8 | -0.1% | -1.5% | 5.7% |
| CSCO | Cisco | 31 | 151.4 | -0.2% | -3.7% | 6.0% |
| HD | Home Depot | 32 | 149.4 | -0.1% | -6.5% | -4.4% |
| DIS | Walt Disney | 33 | 148.6 | 1.6% | 1.0% | -19.2% |
| PM | Philip Morris | 34 | 148.1 | 0.2% | -1.2% | 8.9% |
| CMCSA | Comcast | 35 | 145.1 | -0.8% | -7.9% | -2.6% |
| IBM | International Business Machines | 36 | 144.9 | 0.3% | -3.3% | 7.4% |
| C | Citigroup | 37 | 137.3 | -0.7% | 2.5% | -11.0% |
| UNH | UnitedHealth Group | 38 | 133.4 | -0.8% | -0.5% | 17.1% |
| HSBC | HSBC Holdings | 39 | 132.1 | 0.0% | -1.4% | -4.9% |
| MO | Altria | 40 | 125.7 | -0.1% | 3.5% | 12.5% |
| UL | Unilever | 41 | 117.2 | -1.0% | -12.5% | -6.6% |
| CX | CEMEX, S.A.B. de C.V. | 42 | 116.9 | 1.2% | 7.3% | 32.3% |
| MDT | Medtronic | 43 | 113.5 | 0.6% | -5.5% | 6.9% |
| MA | MasterCard | 44 | 112.3 | -0.2% | 1.9% | 3.7% |
| TOT | Total | 45 | 111.6 | 0.8% | -1.3% | -7.5% |
| SLB | Schlumberger | 46 | 108.3 | 0.9% | -0.6% | -3.8% |
| VZA | Verizon Communications | 47 | 107.9 | 0.1% | -6.0% | -2.2% |
| BP | BP | 48 | 105.0 | -0.5% | -4.6% | -9.1% |
| BTI | British American Tobacco | 49 | 104.5 | 0.9% | -11.1% | -4.2% |
| SNY | Sanofi | 50 | 102.8 | -0.6% | 3.1% | -21.3% |
| Summary Table | Cap Rank | Market Cap | 1d Chg | 1m Chg | 12m Chg | |
| Average of all largest companies by market cap | - | 202.3 | -0.3% | -3.2% | 1.7% | |
| Dow Jones Industrial Average | - | - | -0.2% | -1.5% | 0.1% | |