AI chip stocks lost over $1 trillion in market value in July 2026 as custom silicon from OpenAI, Amazon, and Cerebras challenges Nvidia's GPU dominance.

Chip stocks declined as AI spending concerns, SK Hynix's sharp fall and profit booking hit Nvidia, AMD, Micron and other semiconductor shares.

AI chip stocks lost over $1 trillion in market value in July 2026 as custom silicon from OpenAI, Amazon, and Cerebras challenges Nvidia's GPU dominance.