On a banner day for semiconductor stocks, Skyworks Solutions was on pace for its worst session in more than a year. The a sector benchmark also referred to as the Philadelphia Semiconductor Index, recorded its largest 25-day rally since the 2000 dot-com bubble through Tuesday’s close. One stock was missing out from the rally: Skyworks fell 11% to $64.46 on Wednesday, heading for its largest single-day decline since a 12% drop in April 2025.