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:2021-10-22, Stock:UNH, The news for the past five days is as follows:
2021-10-15: NEWS1: Market Rally Takes Hold As Leading Stocks Shine; Tesla, Taiwan Semi, Delta In Focus: Weekly Review.NEWS2: Should You Consider Selling Your UnitedHealth (UNH) Shares?.NEWS3: Health Care Sector Appears to Be a Drag on Positive UnitedHealth Earnings.NEWS4: Company News for Oct 15, 2021.NEWS5: UnitedHealth (UNH) Soars to 52-Week High, Time to Cash Out?.
2021-10-18: NEWS1: UnitedHealthcare to Launch New Virtual-First Health Plan to Help People Access a Dedicated Care Team 24/7 and Obtain Quality Care at a Lower Cost.NEWS2: Top Research Reports for NVIDIA, UnitedHealth & Bank of America.NEWS3: UnitedHealth Stock Could Soon See More Record Highs.NEWS4: Billionaire Ken Fisher’s Top 10 Dividend Stock Picks.
2021-10-19: NEWS1: UnitedHealthcare Community Plan of Missouri Awards $500,000 to Address Health Equity.NEWS2: The Zacks Analyst Blog Highlights: NVIDIA, UnitedHealth, Bank of America, Exxon Mobil, SAP SE and Sony.
2021-10-20: NEWS1: UnitedHealthcare and UWH of North Carolina to Address Maternal Health Needs With Group Prenatal Care Initiative.NEWS2: Retirement Stock Portfolio: 10 Healthcare Stocks To Consider.
2021-10-21: NEWS1: 11 Safe Stocks To Buy According To Hedge Funds.

Answer: Rise