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:2018-09-21, Stock:TSM, The news for the past five days is as follows:
2018-09-14: nan
2018-09-17: NEWS1: Continued Consolidation Called For Taiwan Bourse.NEWS2: Continued Consolidation Called For Taiwan Bourse.
2018-09-18: NEWS1: 1 Way This Apple Supplier Will Benefit From Apple's New iPhone Lineup.NEWS2: 1 Way This Apple Supplier Will Benefit From Apple's New iPhone Lineup.NEWS3: Taiwan Stock Market Predicted To Open In The Green.NEWS4: Taiwan Stock Market Predicted To Open In The Green.
2018-09-19: NEWS1: Tech Shares May Weigh On Taiwan Stock Market.NEWS2: Tech Shares May Weigh On Taiwan Stock Market.
2018-09-20: NEWS1: Rebound Tipped For Taiwan Stock Market.NEWS2: Rebound Tipped For Taiwan Stock Market.

Answer: Decrease