The Santa Clara chipmaker is now worth more than the stock markets of Netherlands, Spain, UAE, Italy and Poland combined, making it increasingly influential. With a 50% gain in 2025 alone, Nvidia now accounts for 9% of the S&P 500, raising questions about market concentration and valuation sustainability.

If Nvidia ends Wednesday with a $5 trillion market capitalization, it will have added $1 trillion of value in just 78 trading days,

The market capitalization of the S&P 500 (SPX) grew by 13% during the third quarter of 2025, more than double the pace it rose during the preceding quarter.

Explore the Hang Seng Index, Hong Kong's key stock market indicator since 1969. Learn about its structure, components, and importance in evaluating market performance.

With a market capitalization of $2.89 trillion as of April 9, Microsoft is the world’s second-largest company by that measure — just behind Apple. But market cap only tells part of the story. To get a fuller picture of Microsoft’s value, it’s worth ...

The stock did not drop this much overnight, but it did fall this much, and more, over several days following the suspension.

Thanks to increasing share value due to the success of the iPhone 17 series, Apple has become the third company to hit $4 trillion market value.