Celestica is trading at CA$536.00, up 4.09%, with no clear company-specific catalyst identified for the October 1 move.
- The CFO transition effective October 1 was announced September 11, so it is not new news today.
- Supplied major-index moves were below the stated 0.5% threshold for attributing the gain to broad-market sentiment; the available evidence does not establish another cause.
- Price and percentage are from the provided price context.