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:2019-10-17, Stock:COST, The news for the past five days is as follows:
2019-10-10: NEWS1: Costco: A Strong End to the Year.NEWS2: Costco Sept. same-store sales up 4.2%.NEWS3: Burlington Stores Up More Than 20% in 6 Months: Here's Why.NEWS4: Costco Stock Is Rising After Solid Sales Growth in September.NEWS5: Costco Sustains Decent Comps Run With 4.2% Rise in September.NEWS6: Costco Stock: Time to Book Profit as Growth Slows?.NEWS7: Dow Jones Futures Swing Wildly On Shifting China Trade News; 5 Stocks Flashing Key Bullish Signal.NEWS8: Stocks - Wall Street Flat as High-Level U.S.-China Trade Talks Begin.NEWS9: Stocks - Delta, PG&E Fall Premarket; Apple Gains.NEWS10: Dow Jones Futures Fall In Wild Fashion On Shifting China Trade News; 5 Stocks Flashing Key Bullish Signal.
2019-10-11: NEWS1: Costco makes move to keep price of chicken low.NEWS2: Uber to Acquire Chile Grocery Startup Walmart Failed to Buy.NEWS3: Can Carter's Strategies Reverse Dismal Run on the Bourses?.NEWS4: Ross Stores' Growth Strategies on Track Despite Tariff Woes.
2019-10-14: NEWS1: Costco (COST) Is Up 2% in One Week: What You Should Know.NEWS2: New CEO Mark Tritton Could Very Well Be a BBBY Stock Catalyst.
2019-10-15: NEWS1: Amazon Stock Will Thrive By (Almost) Defying Numerical Assumptions.NEWS2: Ross Stores Opens 42 Outlets for Q3, Completes FY19 Target.NEWS3: Costco Stock Surged to a Record, and One Executive Is Unloading Shares.
2019-10-16: NEWS1: 4 Ways To Reward Yourself For Grocery Shopping.NEWS2: The Really Dumb Reason Why Target Stock Is at Risk.NEWS3: Why a Longtime Big Investor Has Lost Faith in Buffett and Berkshire.

Answer: Rise