Motor vehicle sales fell 1.8% and online sales fell 2.2%, the two steepest declines of the month. Gasoline stations fell 0.9% as prices eased. Clothing, health and personal care, food service, and building materials all posted modest gains — not a uniform pullback. The headline number and the category breakdown tell the same basic story two different ways: spending didn't collapse evenly, it concentrated its weakness in a handful of categories large enough to pull the total negative.