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:2018-07-11, Stock:RIO, The news for the past five days is as follows:
2018-07-03: NEWS1: Royal Gold, Inc. (RGLD) Ex-Dividend Date Scheduled for July 05, 2018.NEWS2: Royal Gold, Inc. (RGLD) Ex-Dividend Date Scheduled for July 05, 2018.NEWS3: Rio Tinto ready to splash out on copper.
2018-07-05: NEWS1: [$$] China releases former Rio Tinto executive Stern Hu from prison.
2018-07-06: NEWS1: Today's Free Research Reports Coverage on Rio Tinto and Three More Metals & Minerals Stocks.
2018-07-09: NEWS1: Canada's Barrick, China's Shandong Gold to deepen ties, look at acquisitions.
2018-07-10: NEWS1: Analysts Embrace First Quantum despite Falling Copper Prices.

Answer: Decrease