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:2018-12-28, Stock:CAT, The news for the past five days is as follows:
2018-12-20: nan
2018-12-21: NEWS1: DIA, GS, CAT, TRV: Large Outflows Detected at ETF.NEWS2: DIA, GS, CAT, TRV: Large Outflows Detected at ETF.
2018-12-24: NEWS1: Manufacturing - Construction & Mining Industry: Prospects Dim.NEWS2: Manufacturing - Construction & Mining Industry: Prospects Dim.NEWS3: Manufacturing - Construction & Mining Industry: Prospects Dim.NEWS4: Caterpillar Stock Is Slumping Despite Earnings Growth.NEWS5: Analysts Expect ESGU To Hit $68.NEWS6: Analysts Expect ESGU To Hit $68.NEWS7: Countdown to 2019: The Dow Jones Industrial Average's Terrible, Horrible, No Good, Very Bad Year.NEWS8: Countdown to 2019: The Dow Jones Industrial Average's Terrible, Horrible, No Good, Very Bad Year.NEWS9: Why Is Illinois Tool Works’ Short Interest Declining?.
2018-12-26: NEWS1: Stocks - Market Stages a Huge Comeback; Dow Jumps More Than 1,000 Points.NEWS2: Caterpillar Stock Will Struggle Amid Challenges on Two Fronts.NEWS3: Stock Market News For Dec 26, 2018.NEWS4: Stock Market News For Dec 26, 2018.NEWS5: Countdown to 2019: The Dow's Terrible, Horrible, No Good, Very Bad Year.NEWS6: Countdown to 2019: The Dow's Terrible, Horrible, No Good, Very Bad Year.NEWS7: Stock Market News For Dec 26, 2018.
2018-12-27: nan

Answer: Decrease