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:2019-05-06, Stock:PTR, The news for the past five days is as follows:
2019-04-29: NEWS1: Chevron Stock Falls 1% on Its Q1 Earnings Drop.NEWS2: Total Stock Fell on Q1 Earnings Release.NEWS3: PetroChina Filed Annual Report on Form 20-F.NEWS4: PetroChina first-quarter profit flat as weak fuel business offsets exploration gains.NEWS5: PetroChina Profit Steady as E&P Gain Offsets Refining Slump.
2019-04-30: NEWS1: Will BP Pay a Higher Dividend in Q2?.NEWS2: What Is CVX’s Price Forecast Range following Its Q1 Results?.NEWS3: What’s Total’s Price Forecast?.NEWS4: BRIEF-Corrected-Zhenhai Petrochemical Engineering Expects To Win Sinopec's (Not Petrochina's) Bids Worth About 2.06 Bln Yuan.NEWS5: BRIEF-Zhenhai Petrochemical Engineering Expects To Win Petrochina's Bids Worth About 2.06 Bln Yuan.
2019-05-01: NEWS1: Hess Midstream Partners LP (HESM) Ex-Dividend Date Scheduled for May 02, 2019.NEWS2: Hess Midstream Partners LP (HESM) Ex-Dividend Date Scheduled for May 02, 2019.
2019-05-02: NEWS1: Shares of PTR Now Oversold.NEWS2: Shares of PTR Now Oversold.NEWS3: BP’s Stock Price Forecast Range after Its Q1 Earnings.
2019-05-03: NEWS1: 7 Energy Stocks to Buy to Light Up Your Portfolio.

Answer: Decrease