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:2019-12-17, Stock:snap, The news for the past five days is as follows:
2019-12-10: NEWS1: 3 Earnings Losers From Q3 Reports.
2019-12-11: NEWS1: Snap (SNAP) Outpaces Stock Market Gains: What You Should Know.
2019-12-12: NEWS1: Nvidia Stock: Good Buy Despite Modest 2020 Upside?.NEWS2: The Fate of Facebook Stock Will Come Down to Its Risks.
2019-12-13: NEWS1: What is the age of the ‘Instagram face’?.NEWS2: Snap Stock Is Rallying. An Analyst Says It’s Expensive But Could Go Even Higher..NEWS3: Snap Analyst Projects 37% Revenue Growth In 2020.NEWS4: Snap shares jump 1.8% after JMP upgrades to outperform on upbeat expectations for user growth.NEWS5: You’re Buying Certainty. And the Art of the Bluff: Taking Stock.NEWS6: Snap Shares Rise; JMP Lifts to Outperform on Photo Site Potential to Monetize Offerings.
2019-12-16: NEWS1: Snapchat Has 210 Million Daily Active Users, and Two More Numbers to Know.

Answer: Decrease