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:2020-08-13, Stock:UNH, The news for the past five days is as follows:
2020-08-06: NEWS1: UnitedHealth Group Inc. stock rises Thursday, still underperforms market.NEWS2: Return On Capital Employed Overview: UnitedHealth Group.NEWS3: Cardinal's stock rises 2%; company had a $130 million impact as a result of the pandemic in the quarter.
2020-08-07: NEWS1: UnitedHealth Group Inc. stock outperforms market on strong trading day.NEWS2: 5 Health Care Companies Outperforming the Market.
2020-08-10: NEWS1: UnitedHealth Group Inc. stock outperforms market on strong trading day.NEWS2: The Zacks Analyst Blog Highlights: Home Depot, Walmart, UnitedHealth, McDonald's  and Johnson & Johnson.NEWS3: Dow Jones Futures: Trump Extends Unemployment Benefits; Four Stock Market Rally Risks.
2020-08-11: NEWS1: Ken Fisher's Top 4 Buys in the 2nd Quarter.NEWS2: UnitedHealth Group Inc. stock falls Tuesday, underperforms market.NEWS3: Physicians Provide Higher Quality Care Under Set Monthly Payments Instead of Being Paid Per Service, UnitedHealth Group Study Shows.
2020-08-12: NEWS1: UnitedHealth Group Inc. stock rises Wednesday, outperforms market.NEWS2: Dow Jones Rallies 308 Points; Why This Wall Street Expert Sees The S&P 500 At 3800 In 2021.NEWS3: Dow Jones Rallies 308 Points, Challenges 28,000 Level Again; Will These Growth Stocks Win Big In Q3?.NEWS4: Dow up 289 points on gains for shares of Microsoft, Apple Inc..NEWS5: Dow Jones Today, Stocks Climb After Moderna Vaccine Deal; AMD Leads Chip Bounce; Tesla Announces Stock Split.

Answer: Decrease