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:2018-10-29, Stock:PTR, The news for the past five days is as follows:
2018-10-22: NEWS1: China Stock Market Due For Consolidation.NEWS2: China Stock Market Due For Consolidation.NEWS3: Total: Has the Short Interest Risen?.
2018-10-23: NEWS1: More Pain Expected For China Stock Market.NEWS2: More Pain Expected For China Stock Market.NEWS3: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for October 24, 2018.NEWS4: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for October 24, 2018.NEWS5: What’s the Forecast for XOM’s Price ahead of Its Q3 Earnings?.
2018-10-24: NEWS1: China Stock Market May Turn Lower Again On Thursday.NEWS2: China Stock Market May Turn Lower Again On Thursday.NEWS3: Chevron’s Implied Volatility and Price Range.NEWS4: Analyzing Chevron’s Stock Returns.NEWS5: SM Energy Company (SM) Ex-Dividend Date Scheduled for October 25, 2018.NEWS6: SM Energy Company (SM) Ex-Dividend Date Scheduled for October 25, 2018.
2018-10-25: NEWS1: China Stock Market May Add To Its Winnings.NEWS2: China Stock Market May Add To Its Winnings.NEWS3: Chevron’s Short Interest Has Risen before Its Earnings.NEWS4: Dorchester Minerals, L.P. (DMLP) Ex-Dividend Date Scheduled for October 26, 2018.NEWS5: Dorchester Minerals, L.P. (DMLP) Ex-Dividend Date Scheduled for October 26, 2018.
2018-10-26: NEWS1: VOC Energy Trust (VOC) Ex-Dividend Date Scheduled for October 29, 2018.NEWS2: VOC Energy Trust (VOC) Ex-Dividend Date Scheduled for October 29, 2018.NEWS3: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for October 29, 2018.NEWS4: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for October 29, 2018.

Answer: Decrease