Based on the news about the stock in the past five trading days, please predict the rise or fall of the stock in the next trading day. If the stock is predicted to rise in the next trading day, please output [Rise], if the stock is predicted to fall in the next trading day, please output [Decrease].

Date:2021-09-20, Stock:TSM, The news for the past five days is as follows:
2021-09-13: nan
2021-09-14: nan
2021-09-15: NEWS1: TSMC (TSM) Stock Sinks As Market Gains: What You Should Know.NEWS2: Is It Too Late to Buy ASML Stock?.
2021-09-16: NEWS1: TSMC Commits to Reach Net Zero Emissions by 2050, Acting on Responsibility to Environmental Sustainability.NEWS2: Chipmaker TSMC aims for net zero emissions by 2050.NEWS3: Obscure Firm’s 1,219% Rise Shows Profit, Pain of Chip Crunch.
2021-09-17: nan

Answer: Decrease