James Chavez
A fresh wave of AI driven selling swept through global markets on Tuesday, pulling the Nasdaq down 2% and the S&P 500 down 1.3% while the Dow, with far less tech exposure, finished roughly flat. The selloff traced a path from Wall Street concerns about artificial intelligence valuations through a full scale panic session in Asia.
At a Glance
- Nasdaq fell 2%, S&P 500 fell 1.3% on Tuesday; Dow was flat
- South Korea's Kospi dropped 10%, triggering a 20 minute circuit breaker pause
- SK Hynix and Samsung each tumbled more than 12%
- Japan's Nikkei 225 shed 3.6%; SoftBank sank 15%
- The Nasdaq remains about 5% below its June 2 record high
How South Korea Became the Epicenter
The sharpest damage landed in Seoul. The Kospi index plunged 10% on Tuesday, a drop severe enough to trip a circuit breaker that halted trading for 20 minutes to let the panic subside. At the heart of the collapse were SK Hynix and Samsung, two of the world's dominant memory chipmakers, each falling more than 12%. Together those two companies account for roughly half of the Kospi's total market value, so their slide dragged virtually everything else down with them.
The contagion spread quickly. Japan's Nikkei 225 declined 3.6%, and SoftBank, one of the region's largest tech investors, dropped 15%. Most other Asian indexes closed off by more than 1%.
What Spooked Traders
There was no single obvious catalyst. Markets tend to need a narrative, and this week traders pieced one together from several smaller developments. Google (GOOG) fell roughly 5% on Monday, largely because a prominent AI executive left the company for Anthropic. SpaceX (SPCX) dropped 16% Monday, though analysts attributed much of that to the volatile trading patterns typical of stocks that surge immediately after an initial public offering. By Tuesday, Google had recovered and closed less than 1% lower, while SpaceX gained 3%.
Nvidia (NVDA) was a heavier drag, falling about 4% on Tuesday. Oracle (ORCL) slid more than 5%, putting it down roughly 27% for the month.
Some analysts pointed to interest rate anxiety as the underlying pressure. New Federal Reserve Chairman Kevin Warsh held his first press conference the previous Wednesday and pledged to stay focused on bringing inflation under control, language the market read as a signal that rate increases could come later this year. That reading had already rattled stocks, and the concern was still circulating through trading desks on Tuesday.
Where Markets Stand Now
The scale of Tuesday's moves can look alarming without context. The Nasdaq is down about 5% from its record high set on June 2, which means the index spent most of the past two months at or near all time peaks. After President Donald Trump announced a ceasefire with Iran in April, investors largely shifted their attention back to AI stocks and Federal Reserve policy. Oil prices continued to slip Tuesday as traders welcomed signs of progress in peace negotiations, a reminder that geopolitical risk has faded as a market driver for now.
Frequently Asked Questions
Why did South Korea's market fall so sharply?
SK Hynix and Samsung, which together make up close to half of the Kospi index by market value, each fell more than 12% on AI related fears. Because those two chipmakers carry so much weight in the index, their declines pulled the broader market down with unusual force.
What triggered the circuit breaker in Seoul?
South Korean exchanges use automatic circuit breakers that pause trading when the Kospi drops rapidly past a set threshold. Tuesday's 10% plunge triggered a 20 minute cooling off halt designed to slow panic selling.
Is this the start of a bigger downturn?
No one can say with certainty. The Nasdaq is only about 5% off its June 2 record, so the index is still historically elevated. Whether recent selling marks the beginning of a larger correction or a temporary pause depends on factors, including Fed policy and AI earnings, that remain unresolved.
Why did Google drop on Monday?
Google fell roughly 5% Monday after a high profile AI leader departed the company to join Anthropic. The stock recovered most of that loss by Tuesday, closing less than 1% lower.
What to Watch Going Forward
Federal Reserve messaging and AI sector earnings reports will likely set the tone for markets in the weeks ahead. Tuesday's selloff was broad but not catastrophic by historical standards. The real question is whether investors decide current valuations can hold at these levels or whether the Jenga tower, as one market observer put it, still has a few more pieces to pull.
