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:2019-08-22, Stock:APD, The news for the past five days is as follows:
2019-08-15: NEWS1: Celanese (CE) Poised on Productivity Actions and Projects.NEWS2: PPG Industries to Invest $15M in Application Support Center.NEWS3: Advanced Emissions Solutions, Inc. (ADES) Ex-Dividend Date Scheduled for August 16, 2019.NEWS4: Advanced Emissions Solutions, Inc. (ADES) Ex-Dividend Date Scheduled for August 16, 2019.NEWS5: PPG Industries to Invest $15M in Application Support Center.NEWS6: Celanese (CE) Poised on Productivity Actions and Projects.
2019-08-16: nan
2019-08-19: nan
2019-08-20: nan
2019-08-21: NEWS1: The Materials Select Sector SPDR Fund Experiences Big Inflow.NEWS2: The Materials Select Sector SPDR Fund Experiences Big Inflow.NEWS3: Air Products (APD) Up 41% YTD: What's Driving the Rally?.NEWS4: Air Products (APD) Up 41% YTD: What's Driving the Rally?.NEWS5: Air Products (APD) Up 41% YTD: What's Driving the Rally?.

Answer: Decrease