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:2020-06-18, Stock:UNH, The news for the past five days is as follows:
2020-06-11: NEWS1: United Health Foundation Pledges $500,000 to Support Vulnerable Arizona Residents Amid COVID-19 Emergency.NEWS2: UnitedHealth Stock Falls 4%.
2020-06-12: NEWS1: Top Stock Research Reports for UnitedHealth, Intel & Chevron.NEWS2: Walmart, Intel share losses lead the way, but Dow flat.NEWS3: This Trio of Companies Just Raised Dividends.
2020-06-15: NEWS1: UnitedHealth Group (UNH) Gains But Lags Market: What You Should Know.NEWS2: Dow drops 425 points on losses in shares of Boeing, Chevron.NEWS3: The Zacks Analyst Blog Highlights: UnitedHealth, Intel, Chevron, Cisco Systems and QUALCOMM.NEWS4: The Zacks Analyst Blog Highlights: Everbridge, ServiceNow, Domo, UnitedHealth and Pegasystems.NEWS5: Dow's 590-point drop led by losses in Boeing, UnitedHealth stocks.NEWS6: Dow's 590-point drop led by losses in Boeing, UnitedHealth stocks.NEWS7: Dow Jones Today, Stocks Slide After Asian Markets Dive On China Covid Flare Up: Moderna, Israel In Vaccine Talks.NEWS8: Dow Jones Today, Futures Slide After Asian Markets Dive On China Covid Flare Up: Moderna, Israel In Vaccine Talks.
2020-06-16: NEWS1: FOCUS-U.S. health insurers may balk at paying for coronavirus antibody testing.
2020-06-17: nan

Answer: Decrease