周三（7月30日），“特朗普关税输家”指数跌0.47%，报104.71点。成分股中，北极星收跌8.29%，纽威、卡特、道指成分股3M跌3.87%-3.41%，耐克跌2.11%。蔻驰则收涨0.74%，e.l.f. Beauty涨2.79%，哈雷戴维森涨13.38%，Generac涨19.61%。

Core Viewpoint - The "Trump Tariff Losers" index decreased by 0.47%, closing at 104.71 points on July 30 [1] Group 1: Stock Performance - Polaris saw a significant decline, dropping 8.29% [1] - Other notable declines included Newell, Caterpillar, and Dow component 3M, which fell between 3.41% and 3.87% [1] - Nike experienced a decrease of 2.11% [1] Group 2: Gainers - Coach recorded a modest increase of 0.74% [1] - e.l.f. Beauty rose by 2.79% [1] - Harley-Davidson surged by 13.38% [1] - Generac experienced a substantial gain of 19.61% [1]