AI stocks are probably in a bubble — but might be worth holding onto, says Citadel’s Ken Griffin

Published 21 Oct 2026, 08:56 UTC. Updated 21 Oct 2026, 11:21 UTC.

AI stocks are probably in a bubble — but might be worth holding onto, says Citadel’s Ken Griffin MarketWatch

Directly affected

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Investors are for sure facing “bubbles,” but Ken Griffin isn’t telling investors to dump those stocks/

25 out of 100

“AI stocks are probably in a bubble — but might be worth holding onto, says Citadel’s Ken Griffin” scores 25 out of 100. The score uses 2 sources.

Ticker	T-5	T-3	T-1	T0	T+1	T+2	T+3
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TLT	—	—	—	—	—	—	—
QQQ	—	—	—	—	—	—	—
GLD	—	—	—	—	—	—	—

Ticker	T-5	T-3	T-1	T0	T+1	T+2	T+3
SPY	—	—	—	—	—	—	—
TLT	—	—	—	—	—	—	—
QQQ	—	—	—	—	—	—	—
GLD	—	—	—	—	—	—	—

Ticker	T-5	T-3	T-1	T0	T+1	T+2	T+3
SPY	—	—	—	—	—	—	—
TLT	—	—	—	—	—	—	—
QQQ	—	—	—	—	—	—	—
GLD	—	—	—	—	—	—	—