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:2021-04-09, Stock:COST, The news for the past five days is as follows:
2021-04-01: nan
2021-04-05: NEWS1: Costco stock may surprise if the company hikes membership fees in fall 2022.NEWS2: 3 Recession-Proof Stocks to Buy Now.
2021-04-06: NEWS1: Top Stock Reports for Alphabet, Visa & PayPal.NEWS2: Costco’s March Sales Might Not Matter. There’s a Bigger Challenge Ahead..NEWS3: Costco may increase its membership fee– what this means for the stock.NEWS4: Better Buy: Costco vs. Best Buy.NEWS5: Costco Wholesale (NASDAQ:COST) Might Become A Compounding Machine.
2021-04-07: NEWS1: Costco (COST) Stock Sinks As Market Gains: What You Should Know.NEWS2: Costco sales top $18 billion in March.NEWS3: Costco Wholesale Corporation Reports March Sales Results.
2021-04-08: NEWS1: Stock Market Today With Jim Cramer: Buy Costco.NEWS2: Constellation Brands falls post-earnings, Costco March sales top $18 billion.NEWS3: Costco’s Comps Climb 11.1% In March.NEWS4: Costco Wholesale Posts Another Strong Month of Sales.NEWS5: Costco's (COST) Stellar Run Continues in March, Sales Up 17.6%.NEWS6: Costco Rises on Robust Retail Sales in March.NEWS7: Costco Shares Edge Higher After March Sales Beat, Wall Street Upgrades.

Answer: Rise