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:2021-03-19, Stock:UNH, The news for the past five days is as follows:
2021-03-12: NEWS1: UnitedHealth (UNH) Invests in Technology to Lead the Industry.NEWS2: Dow Jones Will Rise 7.6% More Thanks Mostly To 8 Stocks, Analysts Say.
2021-03-15: NEWS1: UnitedHealth Group (UNH) Stock Sinks As Market Gains: What You Should Know.
2021-03-16: NEWS1: Is UnitedHealth (UNH) Stock A Buy or Sell?.
2021-03-17: NEWS1: Tiger Cub Billionaire Stephen Mandel’s Top 10 Stock Picks.NEWS2: 5 Brand-Name Stocks With 12-Year Winning Streaks.
2021-03-18: NEWS1: UnitedHealthcare Hearing Launches Virtual Option to Help Plan Participants Remotely Access Hearing Health Care and Treatment.

Answer: Rise