Celestica is trading 4.89% lower at $353.41, amid pressure on technology and AI-infrastructure stocks as oil prices and Treasury yields rose. - Reuters reported that higher yields and oil stoked inflation worries, with technology among the weakest S&P 500 sectors. - The Nasdaq fell 1.52% and XLK fell 2.05%; Celestica had also dropped 4.29% in the prior session. - No clear company-specific announcement or catalyst for October 8, 2026, emerged in available coverage, and evidence does not establish a separate cause for the decline.