Filtronic is trading at $3.20, down 5.6%, as broader market weakness pressured risk-sensitive stocks on September 24, 2026. - The S&P 500, Nasdaq Composite and Dow Jones were each down more than 0.5%; the 10-year Treasury yield neared 5.14%, its highest since 2007. - Strong PMI data, elevated oil prices and increased rate-hike expectations intensified the selloff. - No fresh company-specific catalyst was identified; Filtronic’s September 16 $8 million follow-on order was positive but stale.