Top 10 Market Cap Companies 2025. For example, in 2004, general electric, exxonmobil, pfizer, citigroup, walmart, bp, aig, intel, and bank of america were nine of the 10 largest publicly traded companies by. For these stocks, current scale plus continued growth equals consistent outperformance.
Market capitalization (market cap) measures what a company is worth by taking the current share price and multiplying it by the number of shares outstanding. The most valuable company in the world is apple (aapl) with a market cap of $3.624t, followed by nvidia (nvda) and microsoft (msft).