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:2021-12-20, Stock:snap, The news for the past five days is as follows:
2021-12-13: NEWS1: CLASS ACTION ALERT: Kessler Topaz Meltzer & Check, LLP Reminds Snap Inc.  Shareholders of Securities Fraud Class Action Lawsuit and Encourages Investors with Substantial Losses to Contact the Firm.NEWS2: SNAP ALERT: Labaton Sucharow Announces the Filing of a Securities Class Action Against Snap Inc. - SNAP.NEWS3: SHAREHOLDER ALERT: Levi & Korsinsky, LLP Reminds Shareholders of Snap Inc. of a Class Action Lawsuit and a Lead Plaintiff Deadline of January 10, 2022 – SNAP.NEWS4: SNAP INVESTOR ALERT: Thornton Law Firm Reminds Snap Inc. Investors of a Securities Class Action Lawsuit.NEWS5: INVESTOR ACTION ALERT: The Schall Law Firm Encourages Investors in Snap Inc. with Losses of $100,000 to Contact the Firm.
2021-12-14: NEWS1: SNAP ALERT: Labaton Sucharow Announces the Filing of a Securities Class Action Against Snap Inc. - SNAP.NEWS2: ROSEN, A TOP RANKED LAW FIRM, Encourages Snap Inc. Investors with Losses Exceeding $100K to Secure Counsel Before Important Deadline Securities Class Action - SNAP.NEWS3: Glancy Prongay & Murray LLP Reminds Investors of Looming Deadline in the Class Action Lawsuit Against Snap Inc. (SNAP).NEWS4: DEADLINE ALERT for ONTF, SNAP, and NVAX: The Law Offices of Frank R. Cruz Reminds Investors of Class Actions on Behalf of Shareholders.NEWS5: SNAP ALERT: The Klein Law Firm Reminds Investors of a Lead Plaintiff Deadline of January 10, 2022 in the Class Action Filed on Behalf of Snap Inc. Limited Shareholders.NEWS6: Snap Paid Out More Than $250 Million to Snapchat Spotlight Creators in 2021 (EXCLUSIVE).NEWS7: INVESTOR ACTION REMINDER: The Schall Law Firm Encourages Investors in Snap Inc. with Losses of $100,000 to Contact the Firm.NEWS8: SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Snap, Inc. - SNAP.
2021-12-15: NEWS1: SHAREHOLDER ALERT: Levi & Korsinsky, LLP Reminds Shareholders of Snap Inc. of a Class Action Lawsuit and a Lead Plaintiff Deadline of January 10, 2022 - SNAP.NEWS2: Snap (SNAP) Stock Sinks As Market Gains: What You Should Know.NEWS3: VIP Contrafund Portfolio Buys Moderna Inc, Marvell Technology Inc, LyondellBasell Industries ....NEWS4: SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Snap, Inc. - SNAP.NEWS5: DEADLINE ALERT for ONTF, SNAP, NVAX, Z/ZG: Law Offices of Howard G. Smith Reminds Investors of Class Actions on Behalf of Shareholders.NEWS6: SNAP ALERT: Labaton Sucharow Announces the Filing of a Securities Class Action Against Snap Inc. - SNAP.NEWS7: Thornton Law Firm Reminds Snap Inc. (SNAP) Investors of Class Action Lawsuit.NEWS8: Misinformation Has Already Made Its Way to the Metaverse.NEWS9: INVESTOR ACTION NOTICE: The Schall Law Firm Encourages Investors in Snap Inc. with Losses of $100,000 to Contact the Firm.NEWS10: Large Company Growth Portfolio Buys Tesla Inc, Advanced Micro Devices Inc, Vertex ....NEWS11: Kessler Topaz Meltzer & Check, LLP Reminds Shareholders of Snap Inc. of Deadline in Securities Fraud Class Action Lawsuit and Encourages Investors with Significant Losses to Contact the Firm.NEWS12: SNAP ALERT: Bragar Eagel & Squire, P.C. Reminds Investors that a Class Action Lawsuit Has Been Filed Against Snap, Inc. and Encourages Investors to Contact the Firm.NEWS13: SNAP REMINDER: Robbins Geller Rudman & Dowd LLP Announces that Snap Inc. Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit.
2021-12-16: NEWS1: Snap Shareholder Alert.NEWS2: ROSEN, GLOBAL INVESTOR COUNSEL, Encourages Snap Inc. Investors with Losses to Secure Counsel Before Important Deadline in Securities Class Action – SNAP.NEWS3: SNAP ALERT: Labaton Sucharow Announces the Filing of a Securities Class Action Against Snap Inc. - SNAP.NEWS4: SHAREHOLDER ACTION REMINDER: The Schall Law Firm Reminds Investors of a Class Action Lawsuit Against Snap Inc. and Encourages Investors with Losses in Excess of $250,000 to Contact the Firm.NEWS5: SNAP ALERT: The Klein Law Firm Reminds Investors of a Lead Plaintiff Deadline of January 10, 2022 in the Class Action Filed on Behalf of Snap Inc. Limited Shareholders.NEWS6: Reddit files for IPO to go public.NEWS7: SHAREHOLDER ALERT: Levi & Korsinsky, LLP Reminds Shareholders of Snap Inc. of a Class Action Lawsuit and a Lead Plaintiff Deadline of January 10, 2022 - SNAP.NEWS8: VIP Communication Services Portfolio Buys Uber Technologies Inc, Sea, T-Mobile US Inc, Sells ....NEWS9: SHAREHOLDER ACTION ALERT: The Schall Law Firm Reminds Investors of a Class Action Lawsuit Against Snap Inc. and Encourages Investors with Losses in Excess of $250,000 to Contact the Firm.NEWS10: Reddit Files for IPO After Igniting the Year’s Meme Stock Frenzy.
2021-12-17: NEWS1: Snap Shareholder Notice.NEWS2: Investor Alert: The Schall Law Firm Reminds Investors of a Class Action Lawsuit Against Snap Inc. and Encourages Investors with Losses in Excess of $250,000 to Contact the Firm.NEWS3: ROSEN, A TOP RANKED FIRM, Encourages Snap Inc. Investors to Secure Counsel Before Important January 10 Deadline in Securities Class Action Commenced by the Firm – SNAP.NEWS4: SNAP Investors Have Opportunity to Lead Snap Inc. Securities Fraud Lawsuit.NEWS5: SHAREHOLDER ALERT: Levi & Korsinsky, LLP Reminds Shareholders of Snap Inc. of a Class Action Lawsuit and a Lead Plaintiff Deadline of January 10, 2022 - SNAP.NEWS6: SNAP INVESTOR ALERT: Thornton Law Firm Reminds Snap Inc. Investors of Securities Class Action.NEWS7: SNAP Shareholder Alert: Bronstein, Gewirtz & Grossman, LLC Reminds Snap Inc. Investors of Class Action and Lead Plaintiff Deadline: January 10, 2022.NEWS8: SHAREHOLDER ACTION NOTICE: The Schall Law Firm Encourages Investors in Snap Inc. with Losses of $100,000 to Contact the Firm.NEWS9: Why Snap Stock Tanked 12% This Week.NEWS10: There's Still a Ton of Growth Potential Left for Instagram.NEWS11: Fidelity Contrafund Buys Shopify Inc, Snap Inc, ServiceNow Inc, Sells Mastercard Inc, Union ....

Answer: Decrease