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:2019-08-30, Stock:VALE, The news for the past five days is as follows:
2019-08-23: nan
2019-08-26: NEWS1: After Hours Most Active for Aug 26, 2019 :  MPC, ZNGA, FOLD, HPQ, SNAP, VALE, AR, MOS, QQQ, CMCSA, CZR, CY.NEWS2: After Hours Most Active for Aug 26, 2019 :  MPC, ZNGA, FOLD, HPQ, SNAP, VALE, AR, MOS, QQQ, CMCSA, CZR, CY.
2019-08-27: NEWS1: Edited Transcript of VALE5.SA earnings conference call or presentation 1-Aug-19 3:00pm GMT.NEWS2: Top Research Reports for Visa, United Technologies & United Parcel Service.NEWS3: Top Research Reports for Visa, United Technologies & United Parcel Service.NEWS4: Top Research Reports for Visa, United Technologies & United Parcel Service.
2019-08-28: NEWS1: Vale (VALE) Gains From Investments, Hurt By Brumadinho Impact.NEWS2: Vale (VALE) Gains From Investments, Hurt By Brumadinho Impact.
2019-08-29: NEWS1: Vale Overseas Limited -- Moody's announces completion of a periodic review of ratings of Vale S.A..NEWS2: Talks on Guinea's iron ore advance, BHP nears deal on Nimba-sources.

Answer: Rise