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:2018-11-16, Stock:NGG, The news for the past five days is as follows:
2018-11-09: nan
2018-11-12: NEWS1: National Grid Hit a Few Stumbling Blocks in Its First Half.NEWS2: National Grid Hit a Few Stumbling Blocks in Its First Half.NEWS3: National Grid Hit a Few Stumbling Blocks in Its First Half.
2018-11-13: NEWS1: Validea David Dreman Strategy Daily Upgrade Report - 11/13/2018.NEWS2: Validea David Dreman Strategy Daily Upgrade Report - 11/13/2018.
2018-11-14: nan
2018-11-15: NEWS1: National Grid Breaks Below 200-Day Moving Average - Notable for NGG.NEWS2: National Grid Breaks Below 200-Day Moving Average - Notable for NGG.

Answer: Decrease