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:2018-12-21, Stock:AMT, The news for the past five days is as follows:
2018-12-14: NEWS1: American Tower Corporation to Deliver Keynote at the Citi 2019 Global TMT West Conference.NEWS2: Prologis, Inc. (PLD) Ex-Dividend Date Scheduled for December 17, 2018.NEWS3: Prologis, Inc. (PLD) Ex-Dividend Date Scheduled for December 17, 2018.
2018-12-17: NEWS1: Universal Health Realty Income Trust (UHT) Ex-Dividend Date Scheduled for December 18, 2018.NEWS2: Universal Health Realty Income Trust (UHT) Ex-Dividend Date Scheduled for December 18, 2018.
2018-12-18: NEWS1: Best ETFs for 2019: Pacer Data & Infrastructure Real Estate ETF Preps for 5G.NEWS2: Best ETFs for 2019: Pacer Data & Infrastructure Real Estate ETF Preps for 5G.NEWS3: Best ETFs for 2019: Pacer Data & Infrastructure Real Estate ETF Preps for 5G.NEWS4: RPT Realty (RPT) Ex-Dividend Date Scheduled for December 19, 2018.NEWS5: RPT Realty (RPT) Ex-Dividend Date Scheduled for December 19, 2018.NEWS6: See what the IHS Markit Score report has to say about American Tower Corp..NEWS7: Are Home Equity Loans Still Deductible After Tax Reform?.NEWS8: Are Home Equity Loans Still Deductible After Tax Reform?.
2018-12-19: NEWS1: QTS Realty Trust, Inc. (QTS) Ex-Dividend Date Scheduled for December 20, 2018.NEWS2: QTS Realty Trust, Inc. (QTS) Ex-Dividend Date Scheduled for December 20, 2018.NEWS3: LTC Properties, Inc. (LTC) Ex-Dividend Date Scheduled for December 20, 2018.NEWS4: LTC Properties, Inc. (LTC) Ex-Dividend Date Scheduled for December 20, 2018.NEWS5: Weingarten Realty Investors (WRI) Ex-Dividend Date Scheduled for December 20, 2018.NEWS6: Weingarten Realty Investors (WRI) Ex-Dividend Date Scheduled for December 20, 2018.NEWS7: BRT Apartments Corp. (BRT) Ex-Dividend Date Scheduled for December 20, 2018.NEWS8: BRT Apartments Corp. (BRT) Ex-Dividend Date Scheduled for December 20, 2018.NEWS9: One Liberty Properties, Inc. (OLP) Ex-Dividend Date Scheduled for December 20, 2018.NEWS10: One Liberty Properties, Inc. (OLP) Ex-Dividend Date Scheduled for December 20, 2018.NEWS11: Agree Realty Corporation (ADC) Ex-Dividend Date Scheduled for December 20, 2018.NEWS12: Agree Realty Corporation (ADC) Ex-Dividend Date Scheduled for December 20, 2018.NEWS13: 5 ETFs to Lower Your Taxes.NEWS14: 5 ETFs to Lower Your Taxes.
2018-12-20: NEWS1: Bluerock Residential Growth REIT, Inc. (BRG) Ex-Dividend Date Scheduled for December 21, 2018.NEWS2: Bluerock Residential Growth REIT, Inc. (BRG) Ex-Dividend Date Scheduled for December 21, 2018.NEWS3: See what the IHS Markit Score report has to say about American Tower Corp..

Answer: Decrease