Wolfspeed fell 9.1% in after-hours trading.

The decline was triggered by the company's fiscal Q4 earnings report, in which revenue of $149.6 million significantly missed the consensus estimate of $224.475 million and declined from $197 million a year earlier. While adjusted EPS of -$2.26 beat the -$2.45 estimate, the non-GAAP loss widened substantially from -$0.77 per share in the year-ago quarter. The company guided fiscal Q1 revenue of $140 million to $160 million, roughly in line with analyst expectations of $150.4 million.

The earnings miss compounds recent selling pressure after the stock had already fallen approximately 16% over the prior two trading sessions following reports that NVIDIA's native 800V DC architecture adoption would be delayed beyond 2028, undermining near-term revenue expectations from Wolfspeed's recently announced strategic partnership with Lite-On Technology for 800V DC power solutions targeting hyperscale AI data centers.

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