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:2018-02-05, Stock:SO, The news for the past five days is as follows:
2018-01-29: NEWS1: Pressurizer set inside Vogtle Unit 3 containment vessel.NEWS2: Southern Company’s Downgrade Streak Continues.NEWS3: Analyzing Southern Company’s Recent Implied Volatility.NEWS4: How Southern Company Stock Is Currently Valued.NEWS5: Why There May Be More Weakness ahead for Southern Company Stock.NEWS6: Vectren’s Stable Dividends over the Years.
2018-01-30: NEWS1: 10 Retirement Stocks That You Should Already Own.NEWS2: 10 Retirement Stocks That You Should Already Own.NEWS3: Tuesday Sector Leaders: Utilities, Materials.NEWS4: Tuesday Sector Leaders: Utilities, Materials.NEWS5: What Are Top Utilities’ Current Valuations?.NEWS6: Georgia Power customers to pay $139 million less for Vogtle expansion in 2018.NEWS7: Utilities’ Leaders and Laggards Last Week.NEWS8: Southern Power announces acquisition of Gaskell West 1 Solar Facility in California.
2018-01-31: NEWS1: NEE, SO, DUK, and EXC: How Analysts Look at the Top Utilities.NEWS2: Analyzing NextEra Energy’s Implied Volatility.NEWS3: XLU: Trends in Its Implied Volatility.NEWS4: NextEra Energy Stock Continues to Look Strong.
2018-02-01: nan
2018-02-02: NEWS1: Simple tips to save during winter weather.

Answer: Decrease