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:2019-01-07, Stock:COST, The news for the past five days is as follows:
2018-12-28: NEWS1: Noteworthy Friday Option Activity: COST, CAH, TIF.NEWS2: Noteworthy Friday Option Activity: COST, CAH, TIF.NEWS3: INVESTOR ACTION ALERT: The Schall Law Firm Announces the Filing of a Class Action Lawsuit Against Costco Wholesale Corporation and Encourages Investors with Losses in Excess of $100,000 to Contact the Firm.NEWS4: Margin Pressures Could Hold Back Costco Stock, but Not for Long.NEWS5: Margin Pressures Could Hold Back Costco Stock, but Not for Long.NEWS6: ALERT: Pawar Law Group Announces a Securities Class Action Lawsuit Against Costco Wholesale Corporation - COST.NEWS7: Why Sears will officially cease to exist soon.NEWS8: SHAREHOLDER ALERT - Bronstein, Gewirtz & Grossman, LLC Reminds Investors of Class Action Against Costco Wholesale Corporation (COST) and Lead Plaintiff Deadline: January 7, 2019.NEWS9: Top 10 Stock Market Predictions for 2019.NEWS10: Margin Pressures Could Hold Back Costco Stock, but Not for Long.NEWS11: The Klein Law Firm Reminds Investors of Class Actions on Behalf of Shareholders of COST, NKTR, FIT and RBBN.NEWS12: SHAREHOLDER ALERT: Pomerantz Law Firm Reminds Shareholders with Losses on their Investment in Costco Wholesale Corporation of Class Action Lawsuit and Upcoming Deadline – COST.
2018-12-31: NEWS1: 3 Top Retail Stocks to Buy Right Now.NEWS2: 3 Top Retail Stocks to Buy Right Now.NEWS3: 3 Top Retail Stocks to Buy Right Now.NEWS4: The Klein Law Firm Reminds Investors of Class Actions on Behalf of Shareholders of COST, APHA, CURO and NVDA.NEWS5: DEADLINE ALERT - Bronstein, Gewirtz & Grossman, LLC Reminds Investors of Class Action Against Costco Wholesale Corporation (COST) and Lead Plaintiff Deadline: January 7, 2019.
2019-01-02: NEWS1: CLASS ACTION UPDATE for COST, MGI, EIX and MDR: Levi & Korsinsky, LLP Reminds Investors of Class Actions on Behalf of Shareholders.NEWS2: Analyst: Amazon should buy up gas stations.NEWS3: Why the Prime Program Matters to Amazon.
2019-01-03: NEWS1: Apple&apos;s sales warning could hurt Best Buy analysts say, price target slashed.NEWS2: Apple's sales warning could hurt Best Buy analysts say, price target slashed.NEWS3: Analyst: Amazon should buy 1,000 gas stations.NEWS4: SHAREHOLDER ALERT: Pomerantz Law Firm Reminds Shareholders with Losses on their Investment in Costco Wholesale Corporation of Class Action Lawsuit and Upcoming Deadline - COST.NEWS5: 10 Oversold Stocks Due for a Bounce.NEWS6: Why Costco’s EPS Could Rise Sharply in 2019.NEWS7: Analysts Expect Costco to Sustain Sales Growth Momentum in 2019.NEWS8: DEADLINE ALERT - Bronstein, Gewirtz & Grossman, LLC Reminds Investors With Losses Exceeding $100K of Class Action Against Costco Wholesale Corporation (COST) and Lead Plaintiff Deadline: January 7, 2019.NEWS9: MONDAY DEADLINE REMINDER: The Schall Law Firm Announces it is Investigating Claims Against Costco Wholesale Corporation and Encourages Investors with Losses in Excess of $100,000 to Contact the Firm.NEWS10: Will Costco Outperform Walmart and Target in 2019?.
2019-01-04: NEWS1: Notable Friday Option Activity: COST, OSTK, TPX.NEWS2: Notable Friday Option Activity: COST, OSTK, TPX.NEWS3: Kroger Stock Could Be the Big Underdog Retail Play in 2019.NEWS4: Kroger Stock Could Be the Big Underdog Retail Play in 2019.NEWS5: Internet Beef Is Taking Advantage of Not-So-Hot Supermarket Meat.NEWS6: What Could Hurt Walmart’s Profitability in 2019?.NEWS7: Kroger Stock Could Be the Big Underdog Retail Play in 2019.NEWS8: How to Profit Even If Target Stock Continues to Get No Respect.NEWS9: How to Profit Even If Target Stock Continues to Get No Respect.NEWS10: Here Are My 8 Top Stock Picks for 2019.NEWS11: DEADLINE MONDAY ALERT: The Schall Law Firm Announces it is Investigating Claims Against Costco Wholesale Corporation and Encourages Investors with Losses in Excess of $100,000 to Contact the Firm.NEWS12: Will Walmart Stock Bounce Back in 2019?.NEWS13: Dollar General Corporation (DG) Ex-Dividend Date Scheduled for January 07, 2019.NEWS14: Dollar General Corporation (DG) Ex-Dividend Date Scheduled for January 07, 2019.NEWS15: What Wall Street Expects for Costco Stock.NEWS16: How to Profit Even If Target Stock Continues to Get No Respect.NEWS17: Edited Transcript of COST earnings conference call or presentation 13-Dec-18 10:00pm GMT.

Answer: Rise