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China's AI Bubble Wipes Out $480 Billion as U.S. Earnings Test Rally
China's STAR50 AI and chip index fell 40% from its July high, wiping out about $480 billion. The Nasdaq is 6% below its record set three weeks ago, and this week's Big Tech earnings will test U.S. resilience.
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What happened
China's STAR50 AI and chip index fell 40% from its July high, wiping out about $480 billion. The Nasdaq is 6% below its record set three weeks ago, and this week's Big Tech earnings will test U.S. resilience.
Confirmed
Global impact / market context
The STAR50 trades at about 100 times past earnings versus 30 times for the Nasdaq 100, so investors pay far more for each dollar of Chinese AI profit. A 40% drop shows how quickly rich valuations can reverse when earnings fail to justify prices.
Analyst inference
Microsoft and Alphabet report Wednesday after the Federal Reserve's 2 p.m. ET rate decision, with Amazon Thursday. These results will show whether AI spending is producing profit, while Morgan Stanley expects offshore Chinese stocks to fall another 10% to 15%.
Analyst inference
What to watch
- Microsoft guided for 44% to 45% Azure growth, and Alphabet plans $195 billion to $205 billion in 2026 spending, so watch whether earnings support these commitments. Confirmed
- Watch the Federal Reserve's 2 p.m. ET rate decision on Wednesday, because borrowing costs shape how investors value high-priced growth stocks such as AI and chip companies. Proposed
- Watch whether Microsoft, Alphabet and Amazon results justify their AI capital spending, since weak profit per sale could pressure the Nasdaq and reinforce the valuation gap with the STAR50. Analyst inference