The AI Trade Hits a Wall 🧱

Welcome back to the Day Trading newsletter 📈

The AI trade is suddenly looking shaky.

After Wall Street's tech leaders wobbled Monday, Asian markets cratered overnight, and South Korea had to slam the brakes on its entire stock market.

Let’s get into it 👇️ 

🔻 U.S. stocks slid Monday as the AI trade lost steam, with the Nasdaq dropping 1.32% to 26,166.60 and the S&P 500 easing 0.37% to 7,472.79. The Dow bucked the trend, adding 0.29% as money rotated out of crowded megacap tech and into more economically sensitive corners of the market.

👎️ Alphabet shares sank about 5% Monday — and were down as much as 7% intraday — the stock's worst day in over a year, after another marquee AI researcher jumped ship. DeepMind's John Jumper, a 2024 Nobel winner, is leaving for Anthropic, just days after Gemini co-lead Noam Shazeer departed for OpenAI, stoking fears Google is losing the AI talent war. 

🚀 SpaceX (SPCX) fell 16% Monday to $154.60, its lowest since going public and a third straight day of losses that has erased more than $600 billion in value. The slide began after the Elon Musk-led firm said it would sell investment-grade bonds for the first time to fund its AI ambitions, just 10 days after the largest IPO ever.

💼 The small-cap Russell 2000 closed above 3,000 for the first time ever, finishing at 3,004.40 with a gain of about 1%. Even as megacap tech sold off, investors rotated into smaller, domestically focused companies — a sign some traders are betting the market's leadership may be broadening beyond a handful of AI giants.

🛢️ Oil fell again Monday, with U.S. crude (WTI) down 2.3% to settle at $74.82 and Brent off 3.3% to $77.90, as the Iran supply picture kept improving. Washington's 60-day license letting Iran sell oil and rising traffic through the Strait of Hormuz are easing supply fears — even as President Trump floated fresh strikes, keeping the market on edge.

🥇 Gold slipped toward $4,190 an ounce, failing to rally even as stocks tumbled worldwide. Normally a go-to safe haven, the metal has been pressured by the Federal Reserve's hawkish turn: when rates are expected to stay high or rise, holding an asset that pays no interest gets more expensive. Gold is still up sharply on the year.

🧠 Micron (MU) reports earnings Wednesday after the close, the clearest test yet of whether the AI-memory boom is real or cresting. The chipmaker has guided to roughly 81% gross margins, far above its historical norm, on high-bandwidth memory that's sold out for all of 2026. With the stock up about 70% this year, any wobble in that margin is the tell traders will watch.

🚚 FedEx (FDX) reports results Tuesday after the close — its first quarter as a standalone parcel and express company following the June 1 spin-off of FedEx Freight. Wall Street expects roughly $5.95 in adjusted earnings per share. As a barometer of how much stuff Americans and businesses are shipping, FedEx's volume commentary is a real-time read on the economy.

A bruising tech selloff went global overnight.

South Korea's KOSPI (this year's hottest major index) plunged 9.99% to close at 8,203.84, its steepest drop since early March, triggering a market-wide "circuit breaker" that froze trading for 20 minutes.

The damage was concentrated in the two chipmakers powering the AI boom: Samsung Electronics fell about 12.3% and SK Hynix about 12.5%, as foreign investors dumped roughly 5.79 trillion won (about $3.8 billion) of Korean shares.

Japan's Nikkei dropped around 3%. The rout followed a jittery Monday on Wall Street, where investors openly questioned whether AI will ever generate the profits that justify sky-high valuations, dragging the Nasdaq down 1.32%.

This is the first real crack in a trade that's carried global markets all year.

The KOSPI is still up roughly 90% in 2026, and Samsung and SK Hynix alone make up nearly half its value and about 70% of those gains.

When AI sentiment turns, an entire market goes with it.

The added danger is leverage: Korean retail investors had piled into borrowed bets on these same names, meaning falling prices can trigger margin calls and force more selling, a self-feeding spiral.

For U.S. readers, it's a warning that the AI rally's biggest risk isn't one bad earnings report, it's how crowded and leveraged the whole bet has become.

What to watch:

• Whether Wednesday's Micron earnings (a direct read on AI-memory demand)soothes nerves or confirms the fear.

• Keep an eye on Nvidia and the chip sector as the tell for whether this is a one-day scare or the start of a real repricing.

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⚠️ Disclaimer: Not financial advice. Do your research before making any trades.