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:2018-07-23, Stock:COST, The news for the past five days is as follows:
2018-07-16: NEWS1: Noteworthy Monday Option Activity: HBI, SWKS, COST.NEWS2: Noteworthy Monday Option Activity: HBI, SWKS, COST.NEWS3: Who Caught Analysts’ Eye in the Consumer Sector Last Week?.NEWS4: Sam’s Club Adds Polish Hot Dogs to the Menu After Costco Removes Them.NEWS5: Can Blue Apron Stock Keep Going After Last Week's 16% Pop?.NEWS6: Can Blue Apron Stock Keep Going After Last Week's 16% Pop?.NEWS7: Implied Volatility Surging for Costco Wholesale (COST) Stock Options.NEWS8: Implied Volatility Surging for Costco Wholesale (COST) Stock Options.NEWS9: Can Blue Apron Stock Keep Going After Last Week&apos;s 16% Pop?.NEWS10: Implied Volatility Surging for Costco Wholesale (COST) Stock Options.
2018-07-17: NEWS1: What Analysts’ Ratings and Walmart’s Valuation Indicate.NEWS2: Could Walmart Stock Bounce Back in H2 2018?.NEWS3: 3 Top Retail Stocks to Buy in July.NEWS4: 3 Top Retail Stocks to Buy in July.NEWS5: 3 Top Retail Stocks to Buy in July.
2018-07-18: NEWS1: Walmart Can’t Hold a Candle to Amazon.NEWS2: Walmart Can’t Hold a Candle to Amazon.NEWS3: Costco's Impressive Comps Run Likely to Drive Stock Higher.NEWS4: Costco's Impressive Comps Run Likely to Drive Stock Higher.NEWS5: Walmart Can’t Hold a Candle to Amazon.NEWS6: A Cheap Cash Cow with 51% Upside.NEWS7: A Cheap Cash Cow with 51% Upside.NEWS8: Costco&apos;s Impressive Comps Run Likely to Drive Stock Higher.
2018-07-19: NEWS1: Better Buy: Costco (COST) vs. Target (TGT) Stock.NEWS2: Better Buy: Costco (COST) vs. Target (TGT) Stock.NEWS3: Costco/Wheels Up.NEWS4: Costco, Wheels Up team up with deal.NEWS5: Better Buy: Costco (COST) vs. Target (TGT) Stock.NEWS6: The Reversal in American Express Stock Looks as If It’s Underway.NEWS7: Papa John&apos;s Wants to Erase Papa From the Company.NEWS8: Why Most Analysts Recommend ‘Hold’ for Office Depot Stock.
2018-07-20: NEWS1: 7 Recession-Proof Stocks to Buy for When the Boom Ends.NEWS2: 7 Recession-Proof Stocks to Buy for When the Boom Ends.NEWS3: 3 Stocks That Could Be Added to the Dow Next.NEWS4: 3 Stocks That Could Be Added to the Dow Next.NEWS5: 3 Stocks That Could Be Added to the Dow Next.

Answer: Rise