TSMC could be one of the smartest long-term investments you make today.Shares of Taiwan Semiconductor Manufacturing Co. (TSM +2.22%) are up by roughly 54% in 2025 through Dec. 9. The company is experiencing exceptional demand for its cutting-edge process nodes and CoWoS (chip on wafer on substrate) packaging technology for manufacturing advanced chips for data centers, smartphones, and automobiles.If you've paid off high-interest debt and have $1,000 not required for bills or contingencies or anything in th ...