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:2021-05-21, Stock:CHTR, The news for the past five days is as follows:
2021-05-14: nan
2021-05-17: nan
2021-05-18: NEWS1: Charter to Participate in J.P. Morgan Global Technology, Media and Communications Conference.NEWS2: Charter Offers Senior Unsecured Notes.NEWS3: Charter Offers Senior Secured Notes.
2021-05-19: NEWS1: Comcast's Wireless Business Hit a Major Milestone Last Quarter.NEWS2: Charter Prices $2.8 Billion Senior Secured Notes.NEWS3: Charter Prices $750 Million Senior Unsecured Notes.
2021-05-20: nan

Answer: Decrease