CHIP.SW is trading at $117.24, down 4.43%, as concerns over the cost, funding and payoff timeline of AI infrastructure spending weighed on semiconductor shares.
- Lam Research’s cautious forecast and warning of supply constraints through 2027 added pressure across chipmakers and equipment stocks.
- The Philadelphia Semiconductor Index fell 6.7% on October 22 amid a broader technology selloff; higher oil prices and geopolitical risk also added caution, though AI-investment concerns were the clearest sector catalyst.