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:2019-09-19, Stock:SNP, The news for the past five days is as follows:
2019-09-12: nan
2019-09-13: nan
2019-09-16: NEWS1: Top Stock Reports for Celgene, Sinopec & HSBC.
2019-09-17: NEWS1: Trafigura Securitisation Finance PLC -- Moody's: Trafigura Securitisation Finance PLC ratings unaffected by proposed amendment.NEWS2: The Zacks Analyst Blog Highlights: Celgene, Sinopec, HSBC, Vertex Pharmaceuticals and Prudential Financial.
2019-09-18: nan

Answer: Decrease