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:2019-08-05, Stock:COST, The news for the past five days is as follows:
2019-07-29: NEWS1: 3 Breakout Stocks to Buy Now.NEWS2: 3 Breakout Stocks to Buy Now.NEWS3: 3 Breakout Stocks to Buy Now.
2019-07-30: NEWS1: Why You Should Like Costco Wholesale Corporation’s (NASDAQ:COST) ROCE.
2019-07-31: NEWS1: Notable Wednesday Option Activity: GS, COST, ILMN.NEWS2: Notable Wednesday Option Activity: GS, COST, ILMN.NEWS3: Is Costco Wholesale (COST) Stock Outpacing Its Retail-Wholesale Peers This Year?.NEWS4: Is Costco Wholesale (COST) Stock Outpacing Its Retail-Wholesale Peers This Year?.NEWS5: Is Costco Wholesale (COST) Stock Outpacing Its Retail-Wholesale Peers This Year?.
2019-08-01: NEWS1: 7 Recession-Proof Stocks to Buy as the Boom Ends.NEWS2: 7 Recession-Proof Stocks to Buy as the Boom Ends.NEWS3: 3 Stocks That Could See Real Gains From the Fake Meat Boom.NEWS4: 7 Recession-Proof Stocks to Buy as the Boom Ends.NEWS5: Croatian Tech Firm That Makes Uber Calls Private Weighs U.S. IPO.
2019-08-02: NEWS1: ProShares ProShares UltraPro QQQ Experiences Big Outflow.NEWS2: ProShares ProShares UltraPro QQQ Experiences Big Outflow.

Answer: Decrease