Semiconductors$4bn investment aims to meet booming demand for AI server technologyTower Semiconductor has three manufacturing sites in Japan, as well as plants in Israel and the U.S. © ReutersSHUHEI OCHIAISeptember 24, 2026 10:18 JSTTOKYO -- Israeli foundry Tower Semiconductor will set up its largest production hub for optical communications semiconductors in Japan with its planned $4 billion investment, CEO Russell Ellwanger told Nikkei on Thursday.Read NextSemiconductorsSony, TSMC deal brings ...