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:2019-12-31, Stock:COST, The news for the past five days is as follows:
2019-12-23: NEWS1: Will Costco Witness Decent Run on Bourses in the New Year?.
2019-12-24: nan
2019-12-26: NEWS1: Hedge Fund Favorites vs. Costco Wholesale Corporation (COST) In 2019.
2019-12-27: NEWS1: Meat Eaters Rejoice: It’s Time for Investors to Sell Beyond Meat.NEWS2: Holiday Sales Rise 3.4%, Online Shopping Gains Precedence.NEWS3: What could you have made by investing $1,000 in these Washington companies a decade ago?.NEWS4: 3 Large Cap Stocks to Improve Your Portfolio in 2020.
2019-12-30: NEWS1: Spotify, Apogee Enterprises, Costco, Tesla and Microsoft highlighted as Zacks Bull and Bear of the Day.

Answer: Decrease