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Here is a short look at the 10 largest companies by market capitalization as of Saturday, Dec. 13, 2025. Additionally, I have included the percentages of their gains on a year-to-date basis. Let's dive into the numbers.

1. Nvidia (NVDA) has a market cap of around $4.25 trillion, with year-to-date gains of approximately +30.3%
2. Apple (AAPL) has a market cap of around $4.11 trillion, with year-to-date gains of approximately +11.1%
3. Alphabet (GOOG) has a market cap of around $3.74 trillion, with year-to-date gains of approximately +63.4%
4. Microsoft (MSFT) has a market cap of around $3.56 trillion, with year-to-date gains of approximately +13.5%
5. Amazon (AMZN) has a market cap of around $2.42 trillion, with year-to-date gains of approximately +3.1%
6. Broadcom (AVGO) has a market cap of around $1.70 trillion, with year-to-date gains of approximately +55.3%
7. Meta (META) has a market cap of around $1.62 trillion, with year-to-date gains of approximately +10.0%
8. Tesla (TSLA) has a market cap of around $1.53 trillion, with year-to-date gains of approximately +13.7%
9. Taiwan Semiconductor Manufacturing (TSM) has a market cap of around $1.52 trillion, with year-to-date gains of approximately +47.9%
10. Berkshire Hathaway (BRK-B) has a market cap of around $1.08 trillion, with year-to-date gains of approximately +10.0%

In comparison, the S&P 500's year-to-date gain is approximately +16.1%.

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