Global personal computer shipments rose 4.7% to 64.9 million in the second quarter on improved supply for Intel Corp. INTC, +0.81% processors and moves by some PC makers to ship a surplus of products with a threat of increased tariffs, market researcher IDC Corp. said Thursday. Lenovo Group Ltd., HP Inc. HPQ, +1.26% Dell Technologies Inc. DELL, +2.28% Acer Group, and Apple Inc. AAPL, -0.73% comprised the top five PC sellers.