TSMC is seeking approval to build an advanced wafer fab at Hsinchu Science Park’s Longtan campus, reviving a plan shelved in 2023 after local opposition. TSMC shares surged 6.56% to NT$2,275, pushing Taiwan’s Taiex index above 40,000 for the first time. The company reported Q1 revenue of NT$1.134 trillion, with 74% from advanced technologies. TSMC is also expanding in Arizona and faces competition from Samsung and SK Hynix. The post Taiwan Semic…