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:2019-11-08, Stock:COST, The news for the past five days is as follows:
2019-11-01: NEWS1: COMM 2015-CCRE24 Mortgage Trust -- Moody's affirms six classes of COMM 2015-CCRE24.NEWS2: Target Price Raised on Costco Wholesale (COST).NEWS3: PriceSmart (PSMT) Q4 Earnings & Revenues Rise (Revised).NEWS4: 4 Retail Stocks Likely to Outshine This Earnings Season.NEWS5: Casey's (CASY) Hits Fresh High: Is There Still Room to Run?.
2019-11-04: nan
2019-11-05: NEWS1: Costco (COST) Gains As Market Dips: What You Should Know.NEWS2: How to Invest in a Declining Interest Rate Environment.
2019-11-06: NEWS1: Costco Wholesale Corporation Reports October Sales Results.NEWS2: TGT or COST: Which Is the Better Value Stock Right Now?.
2019-11-07: NEWS1: Insight Enterprises (NSIT) Hits 52-Week High, Can the Run Continue?.

Answer: Decrease