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:2021-06-16, Stock:PTR, The news for the past five days is as follows:
2021-06-09: NEWS1: Top Research Reports for Intel, NextEra Energy & PetroChina.
2021-06-10: NEWS1: The Zacks Analyst Blog Highlights: Intel, NextEra Energy, PetroChina, Illumina and Biogen.
2021-06-11: NEWS1: Occidental (OXY) to Divest Assets Worth $508M, Reduce Debt.
2021-06-14: nan
2021-06-15: NEWS1: Tap These 3 High-Flying Energy Stocks With More Gains in Store.

Answer: Rise