ATCO-A.ST · PEAD → 7

Atlas Copco reported Q3 2026 EPS of 1.62 on 2026-10-22, missing the 1.67 consensus by 0.05 (−3.0%); no prior-year comparable is available in our feed.

Print-day reaction was −7.7% versus the prior close, a sharp sell-off that pushed the stock well below its pre-earnings range. The overnight gap to T+1 open recovered modestly, adding +0.8% and suggesting limited further panic after hours. Over T+1 through T+3 the stock drifted +5.9%, a meaningful partial reversal of the initial drop. Cumulative abnormal return of −2.7% versus SPY.US lands between the ±3% thresholds, placing this in PEAD neutral territory; no directional read is sustained through the holding window ending 2027-01-19.