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Here is a short look at the 10 largest companies by market capitalization as of Saturday, Jan. 17, 2026. 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 $4.53 trillion, with year-to-date gains of approximately -0.1%
2. Alphabet (GOOG) has a market cap of around $3.98 trillion, with year-to-date gains of approximately +5.4%
3. Apple (AAPL) has a market cap of around $3.76 trillion, with year-to-date gains of approximately -6.0%
4. Microsoft (MSFT) has a market cap of around $3.42 trillion, with year-to-date gains of approximately -4.9%
5. Amazon (AMZN) has a market cap of around $2.56 trillion, with year-to-date gains of approximately +3.6%
6. Taiwan Semiconductor Manufacturing (TSM) has a market cap of around $1.78 trillion, with year-to-date gains of approximately +12.7%
7. Broadcom (AVGO) has a market cap of around $1.67 trillion, with year-to-date gains of approximately +1.6%
8. Meta (META) has a market cap of around $1.56 trillion, with year-to-date gains of approximately -6.0%
9. Tesla (TSLA) has a market cap of around $1.46 trillion, with year-to-date gains of approximately -2.7%
10. Berkshire Hathaway (BRK-B) has a market cap of around $1.07 trillion, with year-to-date gains of approximately -2.9%

In comparison, the S&P 500's year-to-date gain is approximately +1.4%.

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