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US Stock Futures Slide as Megacap Tech Selloff Reaches Asian AI Shares

June 23, 2026 at 02:29 EDT

Funding & M&A
Infra & Chips
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US stock futures fell early Tuesday, June 23, 2026, as the previous day's selloff in megacap technology shares spilled over into Asian AI-related stocks. By 2:14 p.m. Singapore time, S&P 500 futures were down about 1% and Nasdaq 100 futures about 1.9%.

June 22 · AI Talent War

A Nobel laureate walks out of DeepMind — and wipes ~5% off Alphabet

John Jumper, the AlphaFold co-developer and 2024 chemistry Nobel laureate, signaled a move to Anthropic. Alphabet fell about 5%, dragging megacap tech and Asian AI stocks down with it.

~5%

Alphabet decline at June 22 close

−7.2%

Intraday low — steepest drop since February

High-profile DeepMind exits in a short span

40%+

Chip giants' weight in the Korean index

One researcher, billions in market value

Alphabet's intraday move on June 22 — flat baseline vs. the low

Open

−7.2%

Intraday low

How the selloff chained outward

Jumper → Anthropic

Talent exit triggers the move

→

US megacap tech

Meta, Amazon, Microsoft; S&P & Nasdaq close lower

→

Asian AI stocks

Samsung, SK Hynix, SoftBank Group

A talent war, not an infra build-out

Talent attrition feeds directly into AI competitiveness — analysts call it a significant loss for Google. The real moat may be a few hard-to-replace researchers, not chips or data centers.

A cooling, overheated phase

Others see a correction after a CapEx-driven boom and a rotation into value. Eyes turn to Micron's quarterly results this week as a gauge of real AI demand.

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