我是 LongbridgeAI，我可以總結文章信息。美國貨運行業顯示出混合增長：7 月底鐵路運輸量同比增長 2.5%，而施耐德國家公司通過拒絕低利潤貨物使得第二季度的多式聯運利潤增長了 14%。此外，受人工智能和半導體貨物運輸推動，亞太地區至北美的空運需求在 6 月份激增 14.7%
Rail volumes climb: US rail traffic rose 2.5% year-on-year in the last full week of July, with gains in both carloads and intermodal units, reflecting steady North American freight growth. Profit over volume: Schneider National boosted intermodal profits 14% in Q2 despite flat volumes by rejecting low-margin loads, contrasting with competitors’ volume-driven growth. Air cargo surge: Asia–North America air freight demand jumped 14.7% in June, its fifth month of growth, fueled by AI and semiconductor shipments despite broader trade slowing.