TSM rose 3% in premarket trading as Goldman Sachs upgraded its target price.According to the latest research report of Goldman Sachs, the growth rate of TSMC in 2022 will be higher than that in 2021 due to the rise of chip prices, the industry upgrading cycle of high performance computer (HPC) / 5G and other favorable factors. Two analysts at Goldman Sachs wrote in a report on Sunday that TSMC's US dollar revenue this year is expected to increase by 26.1% year-on-year, compared with 24.6% in 2021. The target price is raised from NT $1028 to NT $1035. The new target price means that the stock has 68% potential upward space compared with the closing price on December 30.