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:2021-12-20, Stock:CAT, The news for the past five days is as follows:
2021-12-13: NEWS1: Caterpillar (CAT) Dips More Than Broader Markets: What You Should Know.NEWS2: Ohio National Fund Inc Buys Procter & Gamble Co, Booking Holdings Inc, NVIDIA Corp, Sells ....NEWS3: Invesco V.I. Main Street Fund Buys Salesforce. ....NEWS4: Invesco V.I. Capital Appreciation Fund Buys Atlassian Corporation PLC, Apple Inc, Datadog Inc, ....NEWS5: Deutsche Dws Variable Series I Buys Hilton Worldwide Holdings Inc, Apollo Global Management ....
2021-12-14: NEWS1: Eos Energy Enterprises Appoints New Chief Financial Officer.NEWS2: Caterpillar, BNSF and Chevron Agree to Pursue Hydrogen Locomotive Demonstration.NEWS3: Deutsche Dws Investment Trust Buys Hilton Worldwide Holdings Inc, Apollo Global Management Inc, ....
2021-12-15: NEWS1: Caterpillar (CAT), Chevron to Pilot Hydrogen-Powered Locomotive.
2021-12-16: NEWS1: 3 Dividend Stocks That Will Pay You Forever.NEWS2: Should You Be Impressed By Caterpillar Inc.'s (NYSE:CAT) ROE?.
2021-12-17: nan

Answer: Decrease