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:2021-06-22, Stock:SO, The news for the past five days is as follows:
2021-06-15: NEWS1: Stay cool, save money as summer heat ramps up.
2021-06-16: NEWS1: Georgia Power celebrates opening of microgrid project with Georgia Tech.NEWS2: Southern Company (SO) Hits Major Milestone for Vogtle Unit 4.
2021-06-17: nan
2021-06-18: NEWS1: Georgia Power offers tips and outage resources for customers ahead of potential severe weather, heavy rain expected over the weekend.
2021-06-21: NEWS1: UPDATE 1-U.S. NRC launches investigation at Southern Georgia Vogtle 3 nuclear unit.NEWS2: Georgia Power offers energy efficiency programs, tips to help customers as summer officially begins.

Answer: Decrease