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:2021-11-10, Stock:UNH, The news for the past five days is as follows:
2021-11-03: NEWS1: Legendary investor Jeremy Grantham says US stocks are in a 'magnificent bubble' even crazier than in 1929 — here are 3 of his safe haven selections.NEWS2: 9 Stocks Made You A Fortune On Way To 'Dow 36,000'.
2021-11-04: NEWS1: 7 Safe Stocks that are Immune from China’s Market Volatility.NEWS2: 2 Unstoppable Stocks That You Can Buy and Hold for Decades.
2021-11-05: NEWS1: UnitedHealth Group Board Authorizes Payment of Quarterly Dividend.
2021-11-08: NEWS1: 2 Leading Healthcare Stocks to Buy in 2021 and Beyond.
2021-11-09: NEWS1: Why This 1 Medical Stock Could Be a Great Addition to Your Portfolio.NEWS2: United Health Foundation Grant to Children’s National Hospital to Address Health Needs of Youth in Communities With Fewer Resources.

Answer: Decrease