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:2020-12-09, Stock:BBL, The news for the past five days is as follows:
2020-12-02: NEWS1: Here's Why You Should Add Chemours (CC) to Your Portfolio.NEWS2: U.S. Silica (SLCA) Raises Prices of ISP Segment Products.
2020-12-03: NEWS1: Is BHP Billiton (BBL) Stock Outpacing Its Basic Materials Peers This Year?.NEWS2: LyondellBasell (LYB) Successfully Closes JV Deal With Sasol.NEWS3: Newmont (NEM) Musselwhite Conveyor Attains Commercial Production.
2020-12-04: NEWS1: Here's Why BHP (BHP) is a Great Momentum Stock to Buy.NEWS2: Nexa Resources (NEXA) Catches Eye: Stock Jumps 7.7%.NEWS3: FMC Corp (FMC) Boosts Shareholder Returns, Raises Dividend.NEWS4: Ingevity (NGVT) Stock Up 15% in 3 Months: What's Driving It?.
2020-12-07: NEWS1: Why You Should Add Cleveland-Cliffs (CLF) to Your Portfolio Now.NEWS2: Allegheny (ATI) to Exit Stainless Sheet Products Business.NEWS3: Here's Why You Should Add BHP Group (BHP) to Your Portfolio.NEWS4: PPG Industries (PPG) Stock Up 30% in 6 Months: Here's Why.
2020-12-08: NEWS1: LyondellBasell's (LYB) Spheripol, Spherizone Selected by Kaijin.NEWS2: Why You Should Add Element Solutions (ESI) to Your Portfolio.

Answer: Decrease