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:2021-01-06, Stock:UNH, The news for the past five days is as follows:
2020-12-29: nan
2020-12-30: nan
2020-12-31: NEWS1: Here's Why Hold Strategy is Apt For UnitedHealth Group (UNH).
2021-01-04: nan
2021-01-05: NEWS1: Dow Jones Today, Stocks Climb Amid U.K. Lockdown, Georgia Senate Race; China Stocks Rally On Delisting Reversal.NEWS2: Dow Jones Today, Futures Deteriorate Amid U.K. Lockdown, Georgia Senate Race; China Stocks Rally On Delisting Reversal.NEWS3: 10 Top Stocks That Will Make You Richer in 2021.

Answer: Rise