Jabil Circuit is trading 6.71% down now at $345.08 after broad technology-sector selling intensified on August 18, 2026.
- Rising global bond yields and U.S.-Iran tensions are pressuring growth-oriented technology shares.
- Profit-taking across semiconductor and AI-related stocks is adding pressure; the Nasdaq is down 1.36% and technology-sector ETF XLK is down 2.85%.
- Sector and macro sentiment are the clearest explanation rather than a company-specific announcement.