AI Stock Sell-Off Drives Asian Index Losses of 6 to 9 Percent After Wall Street Rout

What happened
A sharp sell-off in artificial intelligence equities erased trillions in value across Wall Street, cascading into steep 6-to-9 percent declines across Asia-Pacific bourses.
The Context
* The catalyst stateside: The Nasdaq sank 5.5 percent and the S&P 500 shed 4.4 percent on November 5, driven by sharp declines in semiconductor anchors like Nvidia (-9.3 percent) and AMD (-17.3 percent) following US midterm shifts that sparked regulatory concerns around energy-intensive data centers. * The Asian ripple: Key hardware hubs absorbed the heaviest impact on November 6, with Taiwan's Taiex down roughly 8 percent, Japan's Nikkei 225 sliding 6 percent into bear territory, and South Korea's Kospi triggering a circuit breaker halt after an 8.8 percent plunge. * The macro squeeze: Capital shifted rapidly toward safe-haven US Treasuries as yields dropped, while Brent crude climbed toward $99 per barrel amid ongoing geopolitical tensions, tightening financial conditions globally.
The Number
— the single-day drop in the S&P 500, marking its steepest retreat since April 2025 and signaling that hyperscaler capital expenditures are facing intense investor scrutiny.
Takeaway
As Asian semiconductor hubs digest technical bear markets, watch for tightened corporate spending on experimental AI infrastructure alongside elevated volatility in global supply chains.
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