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:2018-05-23, Stock:NGG, The news for the past five days is as follows:
2018-05-16: nan
2018-05-17: NEWS1: [$$] National Grid earnings rise despite US storm hit.NEWS2: [$$] National Grid plans green super highway.NEWS3: National Grid Fiscal Year Pre-tax Profit Up 24% - Quick Facts.NEWS4: National Grid Fiscal Year Pre-tax Profit Up 24% - Quick Facts.
2018-05-18: NEWS1: Bullish Two Hundred Day Moving Average Cross - NGG.NEWS2: Bullish Two Hundred Day Moving Average Cross - NGG.
2018-05-21: nan
2018-05-22: NEWS1: Ofgem To Investigate NGET's Demand Forecasting - Quick Facts.NEWS2: Ofgem To Investigate NGET's Demand Forecasting - Quick Facts.

Answer: Decrease