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:2018-09-04, Stock:COST, The news for the past five days is as follows:
2018-08-27: nan
2018-08-28: NEWS1: Why the Rally in Walmart Stock Is Fading.NEWS2: Where Costco Wholesale Corporation (NASDAQ:COST) Stands In Terms Of Earnings Growth Against Its Industry.NEWS3: TGT vs. COST: Which Stock Should Value Investors Buy Now?.NEWS4: TGT vs. COST: Which Stock Should Value Investors Buy Now?.NEWS5: Ex-Dividend Reminder: Flowers Foods, Tyson Foods and Costco Wholesale.NEWS6: Ex-Dividend Reminder: Flowers Foods, Tyson Foods and Costco Wholesale.NEWS7: TGT vs. COST: Which Stock Should Value Investors Buy Now?.NEWS8: Apple Pay Gains Traction in Fiscal 2018.
2018-08-29: NEWS1: 7 Stocks to Buy In Case This Bull Market Stalls.NEWS2: Why Alphabet Wins in Costco's Coming Payment Revolution.NEWS3: 5 Companies Hit 52-Week Highs.NEWS4: Costco Wholesale Corporation (COST) Ex-Dividend Date Scheduled for August 30, 2018.NEWS5: Costco Wholesale Corporation (COST) Ex-Dividend Date Scheduled for August 30, 2018.NEWS6: Why the Rally in Walmart Stock Is Fading.NEWS7: Why the Rally in Walmart Stock Is Fading.
2018-08-30: NEWS1: Amazon Focuses on Customer Experience at Whole Foods.NEWS2: BJ's Wholesale Goes Public Again, With a Yawner of a First Quarter.NEWS3: BJ's Wholesale Goes Public Again, With a Yawner of a First Quarter.NEWS4: BJ&apos;s Wholesale Goes Public Again, With a Yawner of a First Quarter.NEWS5: Interesting COST Put And Call Options For October 12th.NEWS6: Interesting COST Put And Call Options For October 12th.NEWS7: iShares S&P 500 Value ETF Experiences Big Outflow.NEWS8: iShares S&P 500 Value ETF Experiences Big Outflow.NEWS9: Retail Trends Point to A Costco (COST) Trade.NEWS10: Retail Trends Point to A Costco (COST) Trade.NEWS11: The Sad Truth About BJ's Wholesale.NEWS12: The Sad Truth About BJ's Wholesale.
2018-08-31: NEWS1: Traders buy Costco calls in bulk.NEWS2: Traders buy Costco calls in bulk.

Answer: Rise