Semtech shares surge 10.39% in premarket ahead of OFC 2026 showcase and record Q4 revenue of $274.4 million.

Semtech surged 10.39% in premarket trading, driven by its showcase of 224 Gbps per-channel optical modules and active copper cable solutions at OFC 2026, reinforcing its high-speed interconnects for AI and data centers. The company also reported a record Q4 revenue of $274.4 million on March 23, highlighting strong momentum in data center and LoRa product lines, along with progress on the HIFU acquisition and asset optimization.