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:2019-05-21, Stock:SO, The news for the past five days is as follows:
2019-05-14: NEWS1: Investors Seek Refuge in Utilities as Trade War Escalates.NEWS2: Investors Flock to Utilities amid Trade War Tensions.NEWS3: How Utility Stocks Are Currently Valued.
2019-05-15: NEWS1: 4 Dividend-Focused Utilities Pushing Higher.NEWS2: 4 Dividend-Focused Utilities Pushing Higher.NEWS3: 4 Dividend-Focused Utilities Pushing Higher.NEWS4: 7 Best Long-Term Dividend Stocks to Buy Now.
2019-05-16: NEWS1: Noteworthy Thursday Option Activity: MRTX, SO, GPRE.NEWS2: Noteworthy Thursday Option Activity: MRTX, SO, GPRE.NEWS3: Southern Company  (SO) Ex-Dividend Date Scheduled for May 17, 2019.NEWS4: Southern Company  (SO) Ex-Dividend Date Scheduled for May 17, 2019.
2019-05-17: NEWS1: Southern Company releases annual Corporate Responsibility Report.NEWS2: PowerSecure Becomes Microgrid Implementation Provider for New Innovative Energy Joint Venture Compass Energy Platform LLC.
2019-05-20: NEWS1: Stay cool, save money as summer heat hits Georgia in May.NEWS2: XLU: Where Utility Stocks Might Go from Here.

Answer: Decrease