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:2021-09-22, Stock:snap, The news for the past five days is as follows:
2021-09-15: NEWS1: Snap Inc. to Participate in the Goldman Sachs 30th Annual Communacopia Conference.NEWS2: Exclusive-Snap Inc hires first global head of platform safety.
2021-09-16: NEWS1: Snap (SNAP) Dips More Than Broader Markets: What You Should Know.NEWS2: 3 Leading Social Media Stocks to Buy in 2021 and Beyond.
2021-09-17: NEWS1: Why Snap's Stock Is Trading Higher Today.NEWS2: Dow Jones Drops As Apple, Microsoft Weigh; Stock Market Hit Hard Despite Growth Stock Winners.NEWS3: Snap Insider Sold Over $143.00 Thousand In Company Stock.
2021-09-20: nan
2021-09-21: NEWS1: Snap Shares Trading In A Bullish Pattern: Here's What Could Happen Next.NEWS2: Why Snap Shares Are Rising.NEWS3: Snap Flashes Early Entry.

Answer: Rise