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:2020-10-01, Stock:PTR, The news for the past five days is as follows:
2020-09-24: NEWS1: Top Research Reports for Alphabet, Visa & PetroChina.
2020-09-25: NEWS1: The Zacks Analyst Blog Highlights: Alphabet, Visa, PetroChina, UnitedHealth and Honeywell.NEWS2: China on course for record LNG imports as industries recover, expand.
2020-09-28: nan
2020-09-29: nan
2020-09-30: nan

Answer: Decrease