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:2018-09-13, Stock:PTR, The news for the past five days is as follows:
2018-09-06: NEWS1: China Stock Market Draws Negative Lead.NEWS2: China Stock Market Draws Negative Lead.
2018-09-07: nan
2018-09-10: NEWS1: Mild Upside Seen For China Stock Market.NEWS2: Mild Upside Seen For China Stock Market.
2018-09-11: NEWS1: Why China’s Fracking Hopes Will Hit the Rocks.NEWS2: The Qatar-China LNG Deal Is A Game Changer.NEWS3: Bargain Hunting Expected To Lift China Shares.NEWS4: Bargain Hunting Expected To Lift China Shares.
2018-09-12: NEWS1: China Shares May Find Traction On Thursday.NEWS2: China Shares May Find Traction On Thursday.

Answer: Rise