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:2018-06-18, Stock:UNH, The news for the past five days is as follows:
2018-06-11: NEWS1: Dow Edges Higher Ahead Of Seismic U.S-North Korea Summit.NEWS2: Dow Edges Higher Ahead Of Seismic U.S-North Korea Summit.NEWS3: Noteworthy Monday Option Activity: UNH, GBT, AGO.NEWS4: Noteworthy Monday Option Activity: UNH, GBT, AGO.NEWS5: Market Close Report: NASDAQ Composite index closes at 7,659.93 up 14.42 points.NEWS6: Market Close Report: NASDAQ Composite index closes at 7,659.93 up 14.42 points.NEWS7: 4 Notable Dividend Increases From the Past Week.NEWS8: Dow Analyst Moves: UNH.NEWS9: Dow Analyst Moves: UNH.NEWS10: UnitedHealth (UNH) Hits 52-Week High: Is More Upside Left?.NEWS11: UnitedHealth Group (UNH) Hits a 52-Week High, Can the Run Continue?.
2018-06-12: NEWS1: Noteworthy ETF Inflows: IVW, UNH, ADBE, BKNG.NEWS2: Noteworthy ETF Inflows: IVW, UNH, ADBE, BKNG.NEWS3: Dow Movers: UNH, GE.NEWS4: Dow Movers: UNH, GE.NEWS5: UnitedHealthcare Recognizes 10 Companies for Creating a Culture of Well-Being in the Workplace.NEWS6: Stock Market News For Jun 12, 2018.NEWS7: Market Trends Toward New Normal in Cheniere Energy Partners, LP, UnitedHealth Group, Anthem, Sage Therapeutics, Harris, and A-Mark Precious Metals — Emerging Consolidated Expectations, Analyst Ratings.
2018-06-13: NEWS1: Centene Arm, Hampshire Department of Corrections Renews Ties.NEWS2: Centene Arm, Hampshire Department of Corrections Renews Ties.NEWS3: Dow Movers: VZ, DIS.NEWS4: Dow Movers: VZ, DIS.NEWS5: UnitedHealth Group Has Broken Out to New Highs.NEWS6: Ex-Dividend Reminder: UnitedHealth Group, Altra Industrial Motion and Spirit AeroSystems Holdings.NEWS7: Ex-Dividend Reminder: UnitedHealth Group, Altra Industrial Motion and Spirit AeroSystems Holdings.NEWS8: Owens & Minor, Inc. (OMI) Ex-Dividend Date Scheduled for June 14, 2018.NEWS9: Owens & Minor, Inc. (OMI) Ex-Dividend Date Scheduled for June 14, 2018.NEWS10: UnitedHealthcare names prominent patient-safety expert chief medical officer.NEWS11: Envision Healthcare to Go Private With Acquisition by KKR.
2018-06-14: NEWS1: Fitbit Inc May Still Have 30% Upside – Despite Massive Rally.NEWS2: Fitbit Inc May Still Have 30% Upside – Despite Massive Rally.NEWS3: UnitedHealthcare Insurance Company -- Moody's rates UnitedHealth Group's senior notes A3; outlook stable.NEWS4: J.P. Morgan Securities, Inc. (Muni. Deriv.) Puttable Tax-Exempt Receipts (PUTTERs) and Derivative Inverse Tax-Exempt Receipts -- Moody's rates UnitedHealth Group's senior notes A3; outlook stable.NEWS5: 3 Solid Reasons to Add WellCare Health to Your Portfolio.NEWS6: 3 Solid Reasons to Add WellCare Health to Your Portfolio.NEWS7: Fitbit Inc May Still Have 30% Upside – Despite Massive Rally.NEWS8: Dow Movers: JPM, DIS.NEWS9: Dow Movers: JPM, DIS.NEWS10: 3 Solid Reasons to Add WellCare Health to Your Portfolio.NEWS11: What Makes UnitedHealth (UNH) Stand Out in Its Industry?.NEWS12: What Makes UnitedHealth (UNH) Stand Out in Its Industry?.NEWS13: UnitedHealth Group Incorporated (UNH) Ex-Dividend Date Scheduled for June 15, 2018.NEWS14: UnitedHealth Group Incorporated (UNH) Ex-Dividend Date Scheduled for June 15, 2018.NEWS15: What Makes UnitedHealth (UNH) Stand Out in Its Industry?.NEWS16: EX-Dividend Schedule: UnitedHealth Group Boosted its Dividend by 20%; Will Trade Ex-Dividend on June 15, 2018.NEWS17: UnitedHealth Group Schedules Second Quarter Earnings Release and Conference Call for July 17, 2018.NEWS18: Centene Arm, New Hampshire Department of Corrections Renew Ties (Revised).NEWS19: Centene Arm, New Hampshire Department of Corrections Renew Ties (Revised).
2018-06-15: NEWS1: UnitedHealth Senior Notes Receive Rating Action From Moody's.NEWS2: UnitedHealth Senior Notes Receive Rating Action From Moody's.NEWS3: UnitedHealth Senior Notes Receive Rating Action From Moody&apos;s.

Answer: Decrease