<body><p>STORY: Shares of FedEx fell Wednesday morning after the company posted lower margins in its core delivery segment.</p><p>That raised investor doubts about its future following the spinoff of its highly profitable trucking unit.</p><p>In a bid to focus on its delivery business, FedEx spun off its trucking unit, FedEx Freight, earlier this month. </p><p>The slimmed-down company is under investor scrutiny to bolster profits and reduce costs, which have climbed for employee salaries and benefits as well as for outsourced transportation and fuel.</p><p>U.S. logistics firms including UPS and FedEx have been battling volume decline due to changing U.S. trade policies, while the Iran war has pushed fuel prices higher.</p><p>Also weighing on volumes is the loss of duty-free "de minimis" treatment for low-value e-commerce shipments tied to China-linked discount sellers, such as Shein and Temu.</p></body>