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:2019-05-09, Stock:UNH, The news for the past five days is as follows:
2019-05-02: NEWS1: Analysts Are Missing the Cost Control With CVS Health.NEWS2: Analysts Are Missing the Cost Control With CVS Health.NEWS3: Teladoc Health (TDOC) Surpasses Estimates in Q1 Earnings.NEWS4: Teladoc Health (TDOC) Surpasses Estimates in Q1 Earnings.NEWS5: Analysts Are Missing the Cost Control With CVS Health.NEWS6: Teladoc Health (TDOC) Surpasses Estimates in Q1 Earnings.NEWS7: Cigna (CI) Beats Q1 Earnings Estimates, Raises 2019 View.NEWS8: Cigna (CI) Beats Q1 Earnings Estimates, Raises 2019 View.NEWS9: Step up for Health and Step up for Kids – Participate in the 3rd Annual UHCCF Steppin' Up for Kids Walk May 6-June 15.NEWS10: Cigna (CI) Beats Q1 Earnings Estimates, Raises 2019 View.NEWS11: 'Fast Money' Traders Share Their Health Care Picks.NEWS12: 3 Health-Care Stocks With Growing Dividends.
2019-05-03: NEWS1: Stocks Finish Higher on Amazon Buffett Boost, Jobs Data.NEWS2: Stocks Finish Higher on Amazon Buffett Boost, Jobs Data.NEWS3: Is Medicare for all doomed?.NEWS4: Psychemedics Corporation (PMD) Ex-Dividend Date Scheduled for May 06, 2019.NEWS5: Psychemedics Corporation (PMD) Ex-Dividend Date Scheduled for May 06, 2019.NEWS6: MEDNAX (MD) Q1 Earnings Miss Estimates, Decline Y/Y.NEWS7: MEDNAX (MD) Q1 Earnings Miss Estimates, Decline Y/Y.NEWS8: MEDNAX (MD) Q1 Earnings Miss Estimates, Decline Y/Y.NEWS9: US health insurers: feeling the Bern.
2019-05-06: NEWS1: Jim Cramer: Days Like Today Are When You Break Out Your List and Buy Domestic.NEWS2: Dow Recoups on China Trade Reports.NEWS3: Dow Recoups on China Trade Reports.NEWS4: 7 Stocks to Buy From the T. Rowe Price Health Sciences Fund.NEWS5: 7 Stocks to Buy From the T. Rowe Price Health Sciences Fund.NEWS6: Market Close Report: NASDAQ Composite index closes at 8,123.29 down -40.71 points.NEWS7: Market Close Report: NASDAQ Composite index closes at 8,123.29 down -40.71 points.NEWS8: ‘Medicare for All’ Will Hit Pharma Stocks, Not Insurers, Investor Says at Sohn.NEWS9: Market Recap for Monday, May 6.NEWS10: UnitedHealth's stock surges to pace Dow gainers; CEO spent more than $900,000 to buy company stock.NEWS11: UnitedHealth&apos;s stock surges to pace Dow gainers; CEO spent more than $900,000 to buy company stock.NEWS12: Glenview’s Larry Robbins says he’s shorting 3M shares, likes healthcare stocks -Sohn.NEWS13: 7 Stocks to Buy From the T. Rowe Price Health Sciences Fund.NEWS14: Monday 5/6 Insider Buying Report: BIIB, UNH.NEWS15: Monday 5/6 Insider Buying Report: BIIB, UNH.NEWS16: Unitedhealth Group Inc (UNH) CEO David S Wichmann Bought $4.6 million of Shares.NEWS17: Notable Insider Buys This Past Week: ADM, Biogen, Grubhub and More.NEWS18: Former Vanguard CEO Bill McNabb Loaded Up on UnitedHealth Stock.
2019-05-07: NEWS1: Why the politically fueled health care stock crash may be over for now.NEWS2: Ensign Group (ENSG) Q1 Earnings Beat Estimates, Rise Y/Y.NEWS3: Ensign Group (ENSG) Q1 Earnings Beat Estimates, Rise Y/Y.NEWS4: UnitedHealth's David Wichmann buys record $4.6 million worth of UNH stock.NEWS5: Analysts Raise Price Targets On GW Pharma's Positive Earnings, Epidiolex Results.NEWS6: Invesco Defensive Equity ETF -- Insider Buying Index Registering 10.1%.NEWS7: Invesco Defensive Equity ETF -- Insider Buying Index Registering 10.1%.NEWS8: Dow Movers: GS, MCD.NEWS9: Dow Movers: GS, MCD.NEWS10: Ensign Group (ENSG) Q1 Earnings Beat Estimates, Rise Y/Y.NEWS11: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..NEWS12: UnitedHealth CEO David Wichmann Is Loading Up on the Stock.
2019-05-08: NEWS1: 2 Healthcare Innovators To Buy Now.NEWS2: 2 Healthcare Innovators To Buy Now.NEWS3: 2 Healthcare Innovators To Buy Now.NEWS4: Jeff Auxier Comments on UnitedHealth Group.NEWS5: Jeff Auxier's 1st Quarter Auxier Focus Fund Shareholder Letter.NEWS6: DIA, BA, UNH, GS: ETF Inflow Alert.NEWS7: DIA, BA, UNH, GS: ETF Inflow Alert.NEWS8: Validea James P. O'Shaughnessy Strategy Daily Upgrade Report - 5/8/2019.NEWS9: Validea James P. O'Shaughnessy Strategy Daily Upgrade Report - 5/8/2019.

Answer: Decrease