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:2021-05-21, Stock:CAT, The news for the past five days is as follows:
2021-05-14: nan
2021-05-17: NEWS1: These Stocks Could Be the Biggest Winners of the Stock Market Sell-Off.NEWS2: 5 Top Stocks to Buy as Industrial Output Continues to Expand.
2021-05-18: NEWS1: Silgan (SLGN) Rides on Solid Demand & Buyouts Amid Cost Woes.NEWS2: John Bean (JBT) Counts on FoodTech Unit Amid AeroTech Weakness.NEWS3: The Zacks Analyst Blog Highlights: Deere & Co, Caterpillar, AGCO Corp, TriMas Corp and Dover Corp.
2021-05-19: NEWS1: Earnings Estimates Moving Higher for Caterpillar (CAT): Time to Buy?.NEWS2: Why Hold Strategy is Apt for Sonoco (SON) Stock Right Now.NEWS3: Caterpillar CEO to Participate at Bernstein's Virtual 37th Annual Conference on June 2; Webcast Available.NEWS4: Here's Why You Should Add Grainger (GWW) to Your Portfolio.
2021-05-20: NEWS1: Bullish Signal Predicts More Records for Caterpillar Stock.NEWS2: AGCO Corp (AGCO) Rides on Farm Equipment Demand Amid Cost Woes.NEWS3: Ball Corp (BLL) Bets on Beverage Can Demand Amid Cost Woes.

Answer: Rise