Six tech giants drive 57 percent of stock gains while 230 stocks
Tech giants dominating US stock markets on AI boom are masking broader economic weakness, experts warn. Six companies—Apple, Microsoft, Nvidia, Meta, Micron and AMD—account for 57 percent of S&P 500 gains since April, gaining over $5 trillion combined. Meanwhile, 230 other stocks lost $2.9 trillion in value, suggesting concentrated risk in the market's AI-driven rally.
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Published 18 Oct 2026, 18:00 UTC · Updated 18 Oct 2026, 18:11 UTC
Summary by OZbrief Editorial. Original report: ABC News – Australia. Editorial policy · Corrections
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