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:2021-09-17, Stock:UPS, The news for the past five days is as follows:
2021-09-10: NEWS1: UPS to Buy Delivery Platform Roadie.NEWS2: Promise Fulfilled: UPS Buys Into Same-Day Delivery With Roadie.NEWS3: UPS adds gig delivery with Roadie acquisition.NEWS4: UPDATE 3-UPS adds gig delivery with Roadie acquisition.NEWS5: What to expect from businesses, states after Biden’s vaccine mandate.NEWS6: UPS Media Statement: UPS enters into agreement to acquire Roadie.
2021-09-13: NEWS1: United Parcel Service (UPS) Outpaces Stock Market Gains: What You Should Know.NEWS2: Estimating The Intrinsic Value Of United Parcel Service, Inc. (NYSE:UPS).NEWS3: UPS to Acquire Roadie to Cater to Same-Day Delivery Demand.
2021-09-14: nan
2021-09-15: NEWS1: Combining Roadie With UPS — Great Quarter, Guys.
2021-09-16: nan

Answer: Decrease