Global PC shipments fall 20% in Q3 2026. Global personal computer shipments plunged 20.1% year-on-year in the third quarter of 2026, marking a sharp reversal for an industry that typically benefits from back-to-school purchases and festive-season demand. According to preliminary data from market research firm IDC, worldwide PC shipments fell to 62.7 million units from 78.5 million in the corresponding quarter last year.