The US stock market just had the kind of morning that makes portfolio managers reconsider their career choices. Over $1 trillion in value evaporated within the first two hours of trading, as semiconductor stocks bore the brunt of a selloff that rippled across every risk asset class, including crypto.

By the time the dust started to settle, chipmakers alone had shed approximately $1.3 trillion in market capitalization. The PHLX Semiconductor Index plummeted 10.3% in a single session, its worst day since March 2020.

What triggered the carnage

Two forces collided at exactly the wrong time. Broadcom delivered AI revenue guidance that fell short of Wall Street’s expectations, sending its stock down 7.9%. Over two sessions, Broadcom’s losses approached 20%. Then came the jobs report. Stronger-than-expected employment data pushed bond yields higher, reigniting fears that the Federal Reserve might not be done tightening.

Nvidia dropped approximately 6%, erasing more than $300 billion from its market cap. Micron tumbled 13%, shedding about $150 billion in value. AMD fell nearly 11%. The Nasdaq Composite fell 4.2%, while the S&P 500 declined 2.6%.

Crypto caught in the crossfire

Total cryptocurrency market capitalization shed roughly $130 billion alongside the equity selloff, triggered not by any on-chain event but by a jobs report and a chipmaker’s earnings call.

What this means for investors

The selloff arrived after a period of peak valuations in AI-adjacent names. The PHLX chip index was still up 73% year-to-date even after the selloff. Broadcom’s guidance was a reminder that even the most compelling secular trends don’t move in straight lines. The PHLX Semiconductor Index losing 12% over just two sessions suggests this isn’t a one-day blip.