Allegro MicroSystems, Inc. (ALGM) stock soared 6.63% in pre-market trading on Thursday following the company's release of better-than-expected fourth-quarter results and optimistic guidance for the upcoming quarter. The semiconductor solutions provider demonstrated resilience and growth potential despite challenging market conditions.

For the fourth quarter ended March 28, 2025, Allegro reported adjusted earnings per share of $0.06, surpassing the analyst estimate of $0.05. Revenue came in at $192.82 million, exceeding expectations of $185.28 million. The company's performance showed signs of recovery, with sales increasing 8% sequentially to $193 million.

Looking ahead, Allegro provided an encouraging outlook for the first quarter of fiscal year 2026. The company expects total net sales to be in the range of $192 million to $202 million, implying a year-over-year growth of 18% at the midpoint. Additionally, Allegro projects non-GAAP diluted earnings per share between $0.06 and $0.10 for Q1 2026. This positive guidance, coupled with the strong Q4 results, has boosted investor confidence in Allegro's growth trajectory, contributing to the significant pre-market stock price increase.