A trillion-dollar semiconductor selloff is rippling through every corner of risk markets, including Bitcoin and Ether.
The Nasdaq Composite dropped 4.18% on June 5, closing at 25,709.43 in what became the index’s worst single-day performance since April 2025. The damage was concentrated in the final trading hour, when a wave of selling in semiconductor stocks turned an ugly day into a genuinely painful one.
The Dow Jones Industrial Average shed 695.15 points, or 1.35%, finishing at 50,866.78. The S&P 500 wasn’t spared either, declining 2.64%. But the real carnage happened in chipmakers, where the Philadelphia SE Semiconductor Index lost more than $1 trillion in market value in a single session.
The AI trade hits a wall #
Major chip names like Micron, Nvidia, and AMD saw intraday declines of 10-13% during late June trading sessions. The Philadelphia Semiconductor Index registered a 7.9% drop on one occasion, signaling this wasn’t a one-day hiccup but a sustained reassessment of whether valuations had gotten ahead of themselves.
The damage wasn’t contained to US markets either. South Korea’s Kospi index fell as much as 10% in late June, dragged down by the country’s massive semiconductor sector.
Crypto catches the same cold #
Bitcoin dropped to around $62,546 by June 24, marking a 5% decline for the week. Ether fared worse, posting a 7.2% weekly loss during the same stretch.
US spot Bitcoin ETFs saw outflows exceeding $6 billion over a 30-day period. These are institutional allocators making deliberate decisions to reduce exposure.
What this means for investors #
Semiconductor valuations had stretched to levels that assumed near-perfect execution on AI monetization timelines. A $1 trillion single-session loss in chip stocks, however, isn’t exactly a gentle tap on the brakes.
For crypto-native investors, the $6 billion in Bitcoin ETF outflows over 30 days represents something worth watching closely. These aren’t retail traders panic-selling on Coinbase. These are institutional allocators making deliberate decisions to reduce exposure. Traders should be watching the Philadelphia Semiconductor Index as a leading indicator for crypto sentiment in the near term. If chip stocks stabilize and find a floor, that could signal a broader appetite for risk assets returning. If the selling continues, expect Bitcoin and Ether to remain under pressure, with altcoins facing even steeper declines.
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