ALGM · PEAD → 5

Allegro MicroSystems reported Q2 FY2027 EPS of $0.18 on 2026-10-29, matching the $0.18 consensus exactly (0% beat/miss); year-over-year comparison is not available in current data.

Print-day reaction was −6.6% versus the prior close, as the market sold into the in-line print. The overnight gap to the T+1 open compounded the damage, adding another −7.0%, signalling sustained selling pressure after hours rather than any recovery attempt. Over the subsequent two trading days (T+1 close through T+3 close), ALGM rebounded +10.3%, sharply reversing the initial direction. Despite that late bounce, the cumulative abnormal return over the full three-day window was −2.5% versus SPY.US — sitting just inside the ±3% neutral band — yielding a PEAD verdict of none with minimal conviction; the holding window runs through 2027-01-26.