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:2019-12-26, Stock:CAT, The news for the past five days is as follows:
2019-12-18: nan
2019-12-19: nan
2019-12-20: NEWS1: US Indexes Close Higher Friday and for the Dec. 20 Week.NEWS2: Caterpillar, Merck share gains contribute to Dow's nearly 100-point jump.
2019-12-23: NEWS1: Caterpillar Financial Services Corporation -- Moody's announces completion of a periodic review of ratings of Caterpillar Inc..
2019-12-24: NEWS1: Caterpillar (CAT) Dips More Than Broader Markets: What You Should Know.

Answer: Rise