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:CAT, The news for the past five days is as follows:
2021-09-13: NEWS1: Caterpillar To Showcase Sustainability, Safety And The Future Of Mining At MINExpo 2021.NEWS2: FOCUS-From zippers to glass, shortages of basic goods hobble U.S. economy.
2021-09-14: NEWS1: Caterpillar (CAT) Dips More Than Broader Markets: What You Should Know.NEWS2: Caterpillar (CAT) Buys CarbonPoint, Furthers Sustainability Goals.
2021-09-15: NEWS1: Miners Embracing Autonomous Trucks for a Carbon-Neutral Future.NEWS2: Caterpillar CEO Says Worker Shortage Adds to Supply-Chain Snags.
2021-09-16: nan
2021-09-17: NEWS1: 7 timely Warren Buffett quotes to help guide you in this risky market.

Answer: Decrease