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:2020-11-12, Stock:PTR, The news for the past five days is as follows:
2020-11-05: nan
2020-11-06: nan
2020-11-09: NEWS1: PetroChina (PTR) Q3 Earnings Jump on Pipeline Spin-Off Gains.
2020-11-10: NEWS1: China Ready to Pick Up Slack With Global Oil Demand Wavering.
2020-11-11: NEWS1: The Zacks Analyst Blog Highlights: Berkshire Hathaway, JPMorgan, Cisco Systems, Bank of America and PetroChina.

Answer: Decrease