The Next Stock Market Crash Could Start With Just 3 Companies

Just three companies now account for approximately 21% of the S&P 500's total market capitalization. NVIDIA (NVDA), Apple (AAPL), and Microsoft (MSFT) have become so dominant that their performance could determine the direction of the entire stock market. But what…

Published October 16, 2026, 1:06pm ET · 1 min read

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Eric Bleeker

Eric Bleeker, CFA has been investing for more than 20 years. He began his career working at Microsoft before joining Motley Fool, one of the largest publishers of financial research. In his 15 years at Motley Fool Eric served as the General Manager for Fool.com and led coverage in the Technology & Telecom sector. In addition, he was a featured columnist and has hosted dozens of investing seminars attended by more than a million total investors. Eric has more than 1,000 financial bylines to his name and has been featured in The Wall Street Journal, CNBC, Fox Business, and many other leading publications. He is currently focused on artificial intelligence investing and is a CFA Charterholoder.

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