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:2018-09-28, Stock:Unp, The news for the past five days is as follows:
2018-09-21: NEWS1: Did FedEx Deliver on Operating Margins in the First Quarter?.NEWS2: Buffett’s Berkshire Hathaway Keeps Hitting New Highs — and It Still Looks Underpriced.
2018-09-24: NEWS1: Week 37: Intermodal Growth Supported US Rail Freight Traffic.NEWS2: The Permian Basin’s Pipeline Woes Are About to Ease.NEWS3: The Permian Basin’s Pipeline Woes Are About to Ease.NEWS4: The Permian Basin’s Pipeline Woes Are About to Ease.NEWS5: Canadian Pacific Railway’s Dividend Yield, Buyback Programs.NEWS6: Canadian Pacific Railway’s Free Cash and Dividend Growth.NEWS7: Canadian Pacific Railway’s Third-Quarter Dividend.NEWS8: Inside Genesee & Wyoming’s North American Traffic in August.NEWS9: How Genesee & Wyoming’s Total Rail Volumes Trended in August.NEWS10: Will Ground Operations Expansion Give a Boost to FedEx’s Revenue?.NEWS11: A Look at FedEx’s Capital Expenditure in Q1 2019.
2018-09-25: NEWS1: Union Pacific’s Freight Volume Gains Ranked Second in Week 37.NEWS2: Analyzing the Solid Rise in GWR’s Volumes in August.NEWS3: BNSF Railway Ranked Third in Week 37’s Freight Volume Gains.
2018-09-26: NEWS1: Why Citigroup Upgraded Canadian National Railway.NEWS2: Canadian Pacific Railway Limited (CP) Ex-Dividend Date Scheduled for September 27, 2018.NEWS3: Canadian Pacific Railway Limited (CP) Ex-Dividend Date Scheduled for September 27, 2018.NEWS4: Should You Invest in the Fidelity MSCI Industrials Index ETF (FIDU)?.NEWS5: Kansas City Southern: Intermodal Gains Drove Volumes in Week 37.NEWS6: Union Pacific Hops on Precision Scheduled Railroading Bandwagon.NEWS7: CSX Remained on Top in Week 37’s Freight Volume Gains.
2018-09-27: NEWS1: Will Union Pacific's New Operating Model Boost Earnings?.NEWS2: Will Union Pacific's New Operating Model Boost Earnings?.NEWS3: Will Union Pacific&apos;s New Operating Model Boost Earnings?.NEWS4: With Pipelines Filled to the Brim, Oil Companies are Turning to Railroads for Relief.NEWS5: With Pipelines Filled to the Brim, Oil Companies are Turning to Railroads for Relief.NEWS6: With Pipelines Filled to the Brim, Oil Companies are Turning to Railroads for Relief.NEWS7: Union Pacific Corporation Invites You to Join Its 3rd Quarter 2018 Earnings Release Broadcast.NEWS8: Canadian Pacific Railway: Inside Its Week 37 Rail Traffic Volumes.

Answer: Decrease