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:2018-05-21, Stock:AEP, The news for the past five days is as follows:
2018-05-14: NEWS1: AEP Names Smoak President And COO Of SWEPCO.NEWS2: Look Under The Hood: USMV Has 10% Upside.NEWS3: Look Under The Hood: USMV Has 10% Upside.NEWS4: AEP Stock: What to Expect in 2018.NEWS5: Oracle Utilities Forms a Strategic Partnership with AEP.
2018-05-15: NEWS1: Does American Electric Technologies Inc’s (NASDAQ:AETI) Earnings Growth Make It An Outperformer?.
2018-05-16: nan
2018-05-17: NEWS1: American Electric Power: Institutional Activity Up, Stock Down.NEWS2: Top Stocks Reports for United Parcel Service, TOTAL & Ford.
2018-05-18: NEWS1: AEP Stock Crowded With Sellers.NEWS2: AEP Stock Crowded With Sellers.

Answer: Rise