MaxLinear's stock soared 7.40% during intraday trading on Tuesday, marking a significant upward movement for the semiconductor company.

The surge appears to be driven by multiple positive factors. Investors reacted favorably to the company's announcement of an auditor change, with MaxLinear dismissing Grant Thornton and appointing KPMG as its new independent auditor for the 2026 fiscal year. The switch to one of the "Big Four" accounting firms is viewed as enhancing financial reporting credibility and governance.

Additionally, the movement follows a technical rebound after multiple rounds of profit-taking corrections throughout May. Fundamental support comes from strong first-quarter earnings, where MaxLinear reported 43% year-over-year revenue growth, achieved a turnaround from loss to profit, and raised its second-quarter revenue guidance to $160-$170 million. Institutional confidence was further signaled by Vanguard Portfolio Management increasing its stake to 10.23%.