On October 21, 2025, TSMC applied for a permit to construct a high-speed chip fabrication plant in central Taiwan, signaling ongoing investment in advanced manufacturing capacity[3]. Separately, industry reports confirm that Google's first Arm-based Axion CPU is built on TSMC's 3nm process, which is expected to drive further data center revenue growth for the foundry[6]. TSMC shares closed at $297.70 (+0.89%) on October 20, 2025, and are trading at $299.30 (+0.54%) pre-market, with no evidence of a major company-specific catalyst driving the move. The stock appears to be benefiting from positive sentiment in the semiconductor sector and continued demand for advanced process technology.