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:2018-10-17, Stock:NGG, The news for the past five days is as follows:
2018-10-10: NEWS1: Mid-Afternoon Market Update: Dow Falls Over 500 Points; Imperva Shares Surge.NEWS2: Mid-Afternoon Market Update: Dow Falls Over 500 Points; Imperva Shares Surge.NEWS3: Mid-Day Market Update: Crude Oil Down Over 2%; Esterline Technologies Shares Spike Higher.NEWS4: Mid-Day Market Update: Crude Oil Down Over 2%; Esterline Technologies Shares Spike Higher.NEWS5: Mid-Morning Market Update: Markets Open Lower; TransDigm To Buy Esterline.NEWS6: Mid-Morning Market Update: Markets Open Lower; TransDigm To Buy Esterline.
2018-10-11: NEWS1: Britain can meet winter energy demand -National Grid.
2018-10-12: nan
2018-10-15: nan
2018-10-16: nan

Answer: Decrease