Der Nasdaq 100 fällt um 6 Prozent, der schlechteste Tag seit März 2020, mit 2,3 Billionen Dollar Wertvernichtung.
Rheinmetall bricht nach der zweiten Prognosesenkung um zeitweise über 18 Prozent ein, Analysten sehen im Schnitt 78 Prozent Potenzial.
Als Auslöser der KI-Neubewertung gelten Wahlerfolge von Rechenzentrumsgegnern in Texas, Ohio und Georgia.
Nasdaq's worst day since 2020 as AI trade cracks
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Nasdaq 100 plunges 6 percent in AI selloff. Its worst day since March 2020, with $2.3tn of value wiped from the index. The S&P 500 fell 4.4 percent and the VIX jumped more than 60 percent.
Chip and memory stocks lead the rout. The SOX index closed over 12 percent lower, its worst day since 2020. Nvidia fell 9.3 percent and lost about $450bn, while Micron dropped 17.5 percent on a stalled Taiwan fab.
Qualcomm falls despite beating estimates. Qualcomm beat on quarterly numbers but disappointed with its outlook and fell 9.5 percent. Broadcom lost 10 percent.
AI profitability doubts drive a repricing. Lea Oetjen resists the word bubble and calls it a brutal repricing of chips and cloud infrastructure, with the market now separating quality from leverage. Daniel Eckert says doubts about AI profits predated the election.
Data center politics spook AI investors. Candidates opposed to new data centers won key races, and investors fear a Democratic Congress will slow the AI buildout. Musk, who spent $470m, lost most of his candidates, and Tesla and SpaceX shed $420bn.
Rheinmetall cuts guidance again, shares halve. The defense group cut its 2026 revenue outlook to about €13.2bn and scrapped its cash conversion target, and the stock fell as much as 18 percent to around €850. Nine-month operating cash flow is minus €1.7bn.
AppLovin jumps 30 percent on strong quarter. Third-quarter revenue rose 55 percent to nearly $2.2bn, beating expectations, and the stock gained almost 30 percent after losing 60 percent this year.
DAX sets record before closing lower. The index touched 26,693 points intraday, above its August high, then closed 0.4 percent lower at 26,325. Rheinmetall and AI names dragged it down, and the MDAX lost 0.9 percent.
Cloud giants cut buybacks to fund data centers. Microsoft, Alphabet, Amazon, Meta and Oracle have sharply reduced share buybacks because the cash is needed for data centers, which adds pressure to the market.
Record margin debt signals investor stress. US margin debt hit nearly $1.5tn in September, $350bn more than a year earlier. Michael Burry holds puts on VanEck's semiconductor ETF.
Bonds rally while oil and bitcoin diverge. The 10-year Treasury yield fell to about 4.8 percent, its lowest in two months. WTI rose nearly 3 percent to $90.50 and bitcoin dropped 5 percent.
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