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:AEP, The news for the past five days is as follows:
2018-12-14: NEWS1: XLU, D, EXC, AEP: ETF Inflow Alert.NEWS2: XLU, D, EXC, AEP: ETF Inflow Alert.NEWS3: American Electric Power Reaches Analyst Target Price.NEWS4: American Electric Power Reaches Analyst Target Price.
2018-12-17: NEWS1: XLU: Where Utilities Might Go in the Short Term.NEWS2: Dominion (D) Rewards Shareholders With 10% Dividend Hike.NEWS3: Dominion (D) Rewards Shareholders With 10% Dividend Hike.NEWS4: Dominion (D) Rewards Shareholders With 10% Dividend Hike.
2018-12-18: NEWS1: Utilities: Worst One-Day Fall in More than Two Years.
2018-12-19: nan
2018-12-20: nan

Answer: Decrease