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:ABBV, The news for the past five days is as follows:
2021-04-16: nan
2021-04-19: NEWS1: AbbVie (ABBV) Gains As Market Dips: What You Should Know.
2021-04-20: NEWS1: 10 Best Vaccine Stocks to Buy Now.NEWS2: Warren Buffett Owns These 5 Dividend Aristocrats. Should You?.
2021-04-21: NEWS1: 3 Stocks for a Better Retirement.
2021-04-22: NEWS1: Were Hedge Funds Right About AbbVie (ABBV)?.NEWS2: AbbVie Receives Health Canada Approval of HUMIRA® (adalimumab) for the Treatment of Pediatric Patients with Moderately to Severely Active Ulcerative Colitis.NEWS3: Is It Time To Buy AbbVie Stock As It Barrels Toward A New Buy Point?.

Answer: Rise