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Advanced Micro Devices

CEO Lisa Su defended the company’s lackluster forecast, telling CNBC on Wednesday that the chipmaker has seen a step up in demand over the last two to three months.

Shares tanked 13% Wednesday.

“What I would tell you from someone on the inside is AI is accelerating at a pace that I would not have imagined,” she told CNBC’s “Squawk on the Street,” adding that demand continues to outstrip compute needs.