Tower Semiconductor Joins PHLX Index Amid $920M AI Expansion Plan

Key Facts

1Tower Semiconductor has been included in the PHLX Semiconductor Sector Index, driving fresh buying interest.

2The company is committing $920 million in CapEx for AI-focused photonics and SiGe development.

Tower Semiconductor has been included in the PHLX Semiconductor Sector Index, driving fresh buying interest in the stock. Simply Wall Street reported that the company is committing $920 million in capital expenditure for the development of silicon photonics and SiGe technologies aimed at AI infrastructure.

TSEM closed at $240.86 on October 2, 2026, having reached a day high of $249.49 and a low of $240.54. These developments occur as the company maintains a high valuation with a P/E ratio of 94x, while the majority of its massive capital investment outflows are scheduled for 2026 and 2027.