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:2020-08-05, Stock:ABT, The news for the past five days is as follows:
2020-07-29: NEWS1: Sorrento Therapeutics Licenses 30-Minute Spit Test for Covid-19.
2020-07-30: nan
2020-07-31: nan
2020-08-03: nan
2020-08-04: NEWS1: 3 Charts That Suggest Sin Stocks Are Headed Higher.NEWS2: Abbott Announces Start of Study to Evaluate New Device to Treat Recurrent Atrial Fibrillation.

Answer: Rise