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:2018-12-07, Stock:XEL, The news for the past five days is as follows:
2018-11-29: nan
2018-11-30: NEWS1: DTE or XEL: Which Electric Utility Stock Should You Add?.NEWS2: DTE or XEL: Which Electric Utility Stock Should You Add?.NEWS3: DTE or XEL: Which Electric Utility Stock Should You Add?.NEWS4: PPL to Benefit From Capital Investments & Growth Strategy.
2018-12-03: NEWS1: NEE, AEP, XEL, and D: Analysts’ Target Prices.
2018-12-04: NEWS1: Utility aims for zero carbon emission from electric plants.NEWS2: UPDATE 1-U.S. utility Xcel says aims to be carbon-free by 2050.NEWS3: Major U.S.utility Xcel Energy says it will be carbon-free by 2050.NEWS4: Xcel Energy Aims for Zero-Carbon Electricity by 2050.NEWS5: ALLETE Unit & Xcel Energy Sign Wind Power Sale Agreement.NEWS6: ALLETE Unit & Xcel Energy Sign Wind Power Sale Agreement.NEWS7: ALLETE Unit & Xcel Energy Sign Wind Power Sale Agreement.
2018-12-06: NEWS1: Trump Lifting Hurdle to Coal Plants No One Wants to Clear.

Answer: Decrease