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:2020-05-13, Stock:snap, The news for the past five days is as follows:
2020-05-06: NEWS1: Citi downgrades Snap as revenue expectations are too high, but raises PT to $14.NEWS2: What Google, Facebook, Amazon and Others Have Reported About March and April Ad Sales.NEWS3: Time to Sign Into Social Media ETF on Upbeat Q1 Earnings?.NEWS4: Snap Shares Cut to Sell at Citi as Revenue Hopes Are Seen Too High.NEWS5: Snap’s Winning Streak Will Snap, and Investors Should Sell, Says Citi.NEWS6: Snap stock falls after Citi turns bearish.NEWS7: Snap stock falls after Citi turns bearish.NEWS8: Online ad market is recovering from coronavirus shock, but little else is clear.
2020-05-07: NEWS1: ‘A lot of my goals just had to disappear’: College-bound students grapple with the future amid coronavirus.NEWS2: RiverPark Advisors Latest Thoughts on Snap (SNAP) Stock.NEWS3: Contactless, Digital Services Become New Normal: 5 Winners.NEWS4: Why Snap's Shares Skyrocketed Last Month.NEWS5: Why Snap's Shares Skyrocketed Last Month.
2020-05-08: NEWS1: Why Pinterest (PINS) Stock Could Be The Next Facebook?.NEWS2: Why Snap (SNAP) is Getting Ready to Challenge Facebook and Twitter?.
2020-05-11: nan
2020-05-12: NEWS1: Snap's Yellow accelerator debuts its third batch of investments.

Answer: Decrease