Amazon.com expands its shipping and logistics offerings for outside customers, and the move triggers a sharp drop in shares of several major trucking and freight-related companies. Bloomberg reports that transport stocks fall on Wednesday after Amazon announces an expansion of its shipping service, which has previously affected the transportation and logistics sector and raised investor concerns. CNBC similarly describes the selloff as linked to Amazon’s broader push to provide in-house logistics capabilities that other companies can use. Both outlets frame the development as a competitive pressure point for existing logistics and transportation incumbents, with investors reacting to the prospect that Amazon’s services could divert freight and reduce demand for traditional carriers and logistics providers. The reports focus on market reaction rather than specific deal terms, routes, or customers, but they characterize the expansion as a continuation of Amazon’s strategy to open more of its logistics operations to partners. Overall, the articles indicate that the expansion is viewed as intensifying competition in freight and trucking markets, leading to the selloff in related equities.