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:2018-05-21, Stock:CHTR, The news for the past five days is as follows:
2018-05-14: NEWS1: Spectrum Enterprise to Invest $1 Billion to Increase the Density of its National Fiber Network and Transform its Approach to the Client Experience.NEWS2: Look Under The Hood: QQXT Has 16% Upside.NEWS3: Look Under The Hood: QQXT Has 16% Upside.NEWS4: [$$] Charter Communications---Choppy Waters.
2018-05-15: NEWS1: Warren Buffett dumps IBM, boosts stakes in Monsanto and Teva Pharmaceuticals.NEWS2: Why AT&T Is Witnessing a Declining US Pay-TV Customer Base.
2018-05-16: nan
2018-05-17: NEWS1: No Cord Cutting: KeyBanc Prefers Cable Over Wireless In Broadband Picks.NEWS2: Verizon, Comcast, AT&T Stocks Numb To Senate Net Neutrality Vote.
2018-05-18: nan

Answer: Decrease