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:2018-09-10, Stock:PTR, The news for the past five days is as follows:
2018-08-31: NEWS1: [$$] Why China's Gas Guzzling Isn't a Home Run for PetroChina.NEWS2: PetroChina Reports Best Half-Year Profit in More Than Three Years.NEWS3: PetroChina Reports Best Half-Year Profit in More Than Three Years.
2018-09-04: NEWS1: China Bourse May Turn Lower Again On Wednesday.NEWS2: China Bourse May Turn Lower Again On Wednesday.NEWS3: China state oil firms clash over ownership rights - Global Times.
2018-09-05: NEWS1: China Shares Tipped To Open Under Pressure.NEWS2: China Shares Tipped To Open Under Pressure.
2018-09-06: NEWS1: China Stock Market Draws Negative Lead.NEWS2: China Stock Market Draws Negative Lead.
2018-09-07: nan

Answer: Rise