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:2020-01-15, Stock:COST, The news for the past five days is as follows:
2020-01-08: NEWS1: Costco's December sales rise 11% to $17 billion.NEWS2: Costco Wholesale Corporation Reports December Sales Results.NEWS3: Costco Comparable Sales Rose 9% in December Amid Holiday Boost.NEWS4: Costco Should be Able to Further Extend Its Advantaged Model Abroad, Resulting in Lasting Growth.
2020-01-09: NEWS1: Costco, IBD Stock Of The Day, Now Offers These Two Buying Opportunities.NEWS2: Here Are The Haves And Have-Nots Of Retail Stocks As Holiday Sales Tallied.NEWS3: Costco Stock Gets a Lift From Strong Holiday-Season Sales.NEWS4: Buy Nordstrom Stock, Sell Dollar Tree, Analyst Says. High-End Retailers Are on ‘Good Footing’.NEWS5: Dow Jones Futures: Stock Market Rally Refuses To 'Stand Down'; Netflix, Vertex, Lululemon Clear Buy Points.
2020-01-10: NEWS1: Costco (COST) Dips More Than Broader Markets: What You Should Know.NEWS2: Stock Market Rally Powers Higher Despite Iran Tensions; Tesla, Boeing, Costco, Beyond Meat In Focus: Weekly Review.NEWS3: Casper Just Filed Its IPO. Here Are 4 Facts to Know..NEWS4: Stock Market Higher Despite Weak Jobs Report; Stocks To Watch Include Costco, StoneCo And Square.NEWS5: Online mattress group Casper files for IPO.
2020-01-13: NEWS1: PHOTOS: Work underway on Costco spinoff concept in Country Club Centre.NEWS2: Stocks To Watch:  How Does Costco Compare To Amazon, Walmart?.NEWS3: Stocks To Watch: What's In Store For This Big Box Retailer, Walmart Rival?.NEWS4: Microsoft CEO Satya Nadella: Here's what will define the future of retail.
2020-01-14: NEWS1: Microsoft CEO Satya Nadella: 'I really would love for the 2020s to be defined differently'.

Answer: Rise