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:TMO, The news for the past five days is as follows:
2021-09-13: nan
2021-09-14: nan
2021-09-15: NEWS1: Thermo Fisher's (TMO) Oncomine Dx Gets CDx Approval From MHLW.
2021-09-16: NEWS1: Thermo Fisher's (TMO) Oncomine Dx Gets CDx Approval for EXKIVITY.NEWS2: Takeda's Exkivity Scores FDA Nod As First Oral Therapy For Lung Cancer With EGFR Exon20 Insertion.
2021-09-17: NEWS1: Thermo Fisher Called For A Covid Testing Dive, And Soared — Here's Why.NEWS2: Why These 10 Stocks Are On the Move on Friday.NEWS3: Thermo Fisher Climbs on Strong 2022 Guidance.NEWS4: 5 Top Stock Gainers for Friday: Thermo Fisher, Zoom Video, Invesco.

Answer: Decrease