AI Tech Sector Selloff Deepens: Celestica Plunges 11.5%, WDC Gains Erased

Investing.com -- Celestica shares dropped 11.5% to trade at CAD 379.13, extending a sharp multi-week pullback as investors fled high-valuation AI infrastructure names amid a broad technology sector selloff and mounting caution ahead of a critical earnings event. The stock opened at CAD 406.28 before sliding to a session low of CAD 378.45, well below its 52-week high of CAD 655.50.

The primary driver of today’s pressure is a confluence of pre-earnings risk reduction and sector-wide sentiment det

Investing.com -- Western Digital Corp. (NASDAQ: WDC) shares initially surged about 4% in after-hours trading following stronger-than-expected quarterly results and upbeat guidance, but subsequently erased the gains as selling in AI stocks continued, extending the sector’s intraday slump.

The storage maker reported adjusted earnings of $4.64 per share for the first quarter of fiscal 2027, beating analyst expectations of $4.08. Revenue climbed 55% year over year to $4.38 billion, topping the $4.1