Celestica is trading 4.1% higher at CA$526.40 on September 29, 2026, with no company-specific announcement identified to explain the gain. - The move follows a rebound from the September 28 close of CA$505.83. - A market report described shares as modestly higher pre-market after Monday’s broader-market weakness. Technology-sector concerns remain a headwind, while the broad-market snapshot is mixed.