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:2021-04-23, Stock:CAT, The news for the past five days is as follows:
2021-04-16: NEWS1: Caterpillar Inches Toward Buy Point.NEWS2: KMTUY or CAT: Which Is the Better Value Stock Right Now?.NEWS3: Caterpillar Announces Board of Directors Changes.
2021-04-19: NEWS1: Stocks have 'more room to grow' following Biden's infrastructure plan: Analyst.NEWS2: Cathie Wood's ARK Invest Only Owns 4 Dow Stocks, and They Aren't What You Think.
2021-04-20: nan
2021-04-21: NEWS1: Caterpillar Financial Services GmbH & Co KG -- Moody's upgraded the long- and short-term ratings of Caterpillar and its supported finance operations to A2 and Prime-1; outlook is stable.NEWS2: What's in the Offing for Packaging Corp's (PKG) Q1 Earnings?.
2021-04-22: NEWS1: Caterpillar (CAT) Dips More Than Broader Markets: What You Should Know.NEWS2: What's in the Cards for Rockwell Automation's (ROK) Q2 Earnings?.NEWS3: Caterpillar (CAT) Earnings Expected to Grow: What to Know Ahead of Next Week's Release.NEWS4: 10 Best Rebound Stocks to Buy Now.NEWS5: Caterpillar Foundation Announces Global Environmental Partnership with One Tree Planted.NEWS6: Caterpillar Financial Services GmbH & Co KG -- Moody's upgraded the long- and short-term ratings of Caterpillar and its supported finance operations to A2 and Prime-1; outlook is stable.

Answer: Rise