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:2021-02-22, Stock:TMO, The news for the past five days is as follows:
2021-02-12: NEWS1: This Covid Testing Stock Is Cheap. Why It’s Time to Buy..NEWS2: Should You Think About Buying Thermo Fisher Scientific Inc. (NYSE:TMO) Now?.
2021-02-16: nan
2021-02-17: NEWS1: Thermo Fisher Scientific Acquires Leading Cell Sorting Technology from Propel Labs.
2021-02-18: nan
2021-02-19: nan

Answer: Decrease