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:2021-07-19, Stock:UNH, The news for the past five days is as follows:
2021-07-12: NEWS1: Top Research Reports for Apple, UnitedHealth & Bank of America.NEWS2: Humana (HUM) Joins Montefiore Health for Better Healthcare.NEWS3: UnitedHealth (UNH) to Post Q2 Earnings: What's in the Offing?.
2021-07-13: NEWS1: Can UnitedHealth (UNH) Keep the Earnings Surprise Streak Alive?.NEWS2: Dow ETF Set to Rise Further as Q2 Earnings Kick Off.NEWS3: Why This 1 Medical Stock Could Be a Great Addition to Your Portfolio.NEWS4: The Zacks Analyst Blog Highlights: Apple, UnitedHealth Group, Bank of America, Morgan Stanley and Applied Materials.
2021-07-14: NEWS1: Should You Consider Investing in UnitedHealth Group Incorporated (UNH)?.
2021-07-15: NEWS1: Stock Market Today: Stocks Slip as Tech, Energy Come Up Lame.NEWS2: UnitedHealth Earnings Top, Dow Jones Giant Nears Buy Point.NEWS3: UnitedHealth Group (UNH) Q2 2021 Earnings Call Transcript.NEWS4: Dow Jones Gives Up Gains As These Tech Stocks Weigh; Nasdaq Gets Slammed.NEWS5: Dow Jones Reverses, Tech Stocks Slide As Powell Defends Fed Policy; Tesla Skids, AMC Stock Surges.NEWS6: UnitedHealth Reverses Higher.NEWS7: Look for Health Stocks to Stop Lagging, Start Leading.NEWS8: UnitedHealth Earnings Top With Dow Jones Giant Near Buy Point.NEWS9: 2 Blue Chip Stocks Investors Can't Afford to Ignore.NEWS10: UnitedHealth Seeks Medical Input on Biogen Alzheimer's Drug Coverage.NEWS11: UnitedHealth’s Profit Declines as Patients Seek Deferred Care.NEWS12: Economic and Earnings Data Deluge.NEWS13: Dow Jones Falls As Powell Speaks To Senate; Tesla Rallies, AMC Stock Reverses.NEWS14: Smorgasbord of Econ Data, Q2 Earnings.NEWS15: UnitedHealth (UNH) Beats on Q2 Earnings, Hikes '21 EPS View.NEWS16: How to Boost Your Portfolio with Top Medical Stocks Set to Beat Earnings.NEWS17: UnitedHealth Set to Post New Highs.NEWS18: Dow Jones Futures Fall As Apple Masks Weak Market Rally Trends; Netflix, Taiwan Semiconductor In Focus.NEWS19: UnitedHealth Group (UNH) Beats Q2 Earnings and Revenue Estimates.NEWS20: Dow Jones Futures: Apple Masks Weak Market Rally Trends As Leaders Tumble; Netflix, Taiwan Semiconductor Are Early Movers.NEWS21: Biogen Falls After  Alzheimer's Drug Rejected by Two Major U.S. Hospitals.NEWS22: UnitedHealth Crushes Q2 Earnings, Lifts FY2021 Guidance.NEWS23: UnitedHealth stock rises after profit and revenue beats, raised outlook.NEWS24: UPDATE 4-UnitedHealth seeks more clarity on Biogen's $56,000 Alzheimer's drug coverage.NEWS25: UnitedHealth seeks more clarity on Biogen's $56,000 Alzheimer's drug coverage.NEWS26: UnitedHealth Group Reports Second Quarter 2021 Results.NEWS27: Netflix. AIG Rise Premarket; Morgan Stanley Falls.NEWS28: UnitedHealth Edges Down After Fresh Guidance Partly Mitigates Profit Drop.NEWS29: U.S. Futures Mixed; Jobless Claims, Morgan Stanley Earnings Due.NEWS30: UnitedHealth Group Beats Earnings Forecast, Lifts 2021 Guidance.
2021-07-16: NEWS1: Stock Market Rally Struggles Outside Apple; JPMorgan, Goldman, UnitedHealth, Taiwan Semi Are Key Earnings.NEWS2: Analysts Raise Price Target For UnitedHealth After Q2 Earnings Beat Expectations.NEWS3: UnitedHealth's Solid Q2 Earnings Put These ETFs in Focus.NEWS4: Company News for Jul 16, 2021.NEWS5: Dow Jones Futures Rise After Apple, Microsoft, Nvidia Add To Market Rally Weakness; Elon Musk Says This About Tesla Cybertruck.NEWS6: Dow Jones Futures: Apple, Microsoft, Nvidia Add To Market Rally Weakness; Elon Musk Says This About Tesla Cybertruck.

Answer: Decrease