Calix Inc (CALX) shares surged 7.65% in after-hours trading on Wednesday, extending the rally seen during the regular session. The stock had jumped as much as 8% earlier in the day following Calix's strong Q4 earnings beat and upbeat Q1 guidance.

For Q4 2024, Calix reported adjusted earnings per share of $0.08, exceeding consensus estimates of $0.07. The company also provided a Q1 2025 adjusted EPS guidance range of $0.10 to $0.16, compared to analyst expectations of $0.11. These positive results and outlook boosted investor confidence in Calix's growth prospects.

Calix is a leading provider of broadband communications platforms and services. With increasing demand for high-speed internet connectivity, analysts are optimistic about the company's ability to capitalize on this trend. "Calix's strong results and guidance reflect the robust demand for their innovative broadband solutions," said Evergreen Research analyst Amy Wong. "We believe the company is well-positioned for further growth in the coming quarters."