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:2018-12-31, Stock:SO, The news for the past five days is as follows:
2018-12-21: NEWS1: Friday Sector Leaders: Utilities, Financial.NEWS2: Friday Sector Leaders: Utilities, Financial.NEWS3: Louise Scott named member of Herbert Wertheim College of Engineering Dean's Advisory Board.NEWS4: Friday's ETF Movers: IDU, FDN.NEWS5: Friday's ETF Movers: IDU, FDN.NEWS6: American Electric Power’s Valuation Compared to Its Peers.
2018-12-24: NEWS1: American Water Works Arm to Boost Operations Via Acquisition.NEWS2: American Water Works Arm to Boost Operations Via Acquisition.NEWS3: Utilities Fell from ‘Overbought’ to ‘Oversold’ Last Week.NEWS4: American Water Works Arm to Boost Operations Via Acquisition.NEWS5: American Electric Power: Analysts’ Views and Target Prices.
2018-12-26: nan
2018-12-27: nan
2018-12-28: NEWS1: NextEra Energy: Analysts’ Recommendations.NEWS2: ACWV, ED, SO, TJX: ETF Inflow Alert.NEWS3: ACWV, ED, SO, TJX: ETF Inflow Alert.NEWS4: American Electric Power’s Strong Dividends.

Answer: Decrease