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:2019-12-23, Stock:AEP, The news for the past five days is as follows:
2019-12-16: nan
2019-12-17: NEWS1: AEP (AEP) Upgraded to Buy: Here's Why.NEWS2: 3 Investing Facts About Required Minimum Distributions You Need to Know - December 17, 2019.
2019-12-18: nan
2019-12-19: NEWS1: Hedge Funds Love These 3 Stocks More Than Sumitomo Mitsui Financial (SMFG).
2019-12-20: nan

Answer: Decrease