How much did the index decline in July?

It fell 24% month-to-date through mid-July.

What was the previous worst performance of the index?

The previous worst performance was in April 2009.

What caused the AI stock sell-off?

No specific reason was given, but it could be due to profit-taking or valuation concerns.

Goldman Sachs High Beta Momentum Index Plunges 24% as AI Stocks Sell Off

The Goldman Sachs high beta momentum index dropped 24% in the first half of July, marking its worst performance since April 2009, as AI stocks experienced a broad sell-off.

July 16, 2026

2 min read

Source: Blockspace

Key Numbers

goldman sachs high beta momentum index decline

24%

period

month-to-date through first half of July

worst performance since

April 2009

AI stocks are undergoing a sharp sell-off, with the Goldman Sachs high beta momentum index falling 24% month-to-date through the first half of July, its worst monthly performance since April 2009.

Possible Reasons

The report did not specify a single catalyst, but the decline comes amid a broader correction in growth and technology stocks, particularly those linked to artificial intelligence that had rallied significantly earlier. Profit-taking, valuation concerns, or shifts in interest rate expectations could be contributing factors.

Context

The Goldman Sachs high beta momentum index tracks stocks with high volatility and strong momentum, often including technology and AI names. The sharp drop reflects a shift in investor sentiment toward this segment.

Similar Moves in the Sector

The report did not detail moves in other specific stocks, but other AI-related names like Nvidia (NVDA) and Microsoft (MSFT) may have been affected. Investors should monitor the sector closely in the coming days.

Frequently Asked Questions

It is an index that tracks stocks with high volatility and strong momentum, often including technology and AI stocks.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.