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:2021-12-15, Stock:CMCSA, The news for the past five days is as follows:
2021-12-08: NEWS1: O'Shares U.S. Quality Dividend ETF Buys Blackstone Inc, Abbott Laboratories, Verizon ....NEWS2: Could The Comcast Corporation (NASDAQ:CMCS.A) Ownership Structure Tell Us Something Useful?.NEWS3: Amazon Says It Resolved Network Device Issue That Caused Outage.NEWS4: Amazon Packages Pile Up as AWS Outage Spawns Delivery Havoc.
2021-12-09: NEWS1: New Universal films to stream exclusively on Peacock.NEWS2: Comcast Launches YouTube TV for Xfinity Broadband Customers.NEWS3: NEW DIGITAL COMMUNITY LEARNING SPACE FOR PEOPLE OF ALL ABILITIES 
OPENS TODAY AT EASTERSEALS GATEWAY ADULT SERVICES IN BREMERTON.NEWS4: ViacomCBS' (VIAC) Expanding Content Portfolio to Aid Prospects.
2021-12-10: NEWS1: Comcast (CMCSA) Outpaces Stock Market Gains: What You Should Know.
2021-12-13: NEWS1: YouTube Says It’s in Talks to Keep Disney on Its Pay TV Service.NEWS2: Comcast Appointments Carolyne Hannon as Senior Vice President of Western New England Region.NEWS3: Charter Will Give Spectrum TV Subscribers Peacock Premium Free for 12 Months.NEWS4: COMCAST COMPLETES MULTI-MILLION-DOLLAR BROADBAND EXPANSION TO MORE THAN 9,100 RURAL HOMES & BUSINESSES IN LAS VEGAS, NM.
2021-12-14: NEWS1: Charter (CHTR) Offers Free Peacock Premium to Spectrum Users.NEWS2: 64% Of Parents Say Their Kids Would Choose a Month of WiFi Access Over the Gift at the Top of Their Holiday Wish List According to Xfinity Study.NEWS3: Disney's (DIS) Disney+ Now Available on Cox's Contour Platform.

Answer: Decrease