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:2021-05-19, Stock:DUK, The news for the past five days is as follows:
2021-05-12: NEWS1: Xcel Energy (XEL) Rides on Investments & Clean Energy Efforts.NEWS2: Duke Energy teams with ITS to offer customized virtual reality training programs for energy company workers nationwide.NEWS3: N.C. regulators approve Duke Energy landfill solar project.
2021-05-13: nan
2021-05-14: nan
2021-05-17: NEWS1: Elliott Urges Duke Energy to Separate Into Three Companies.NEWS2: Elliott Urges Duke Energy to Consider Separation Into Three Companies.NEWS3: Duke Energy responds to Elliott Management's letter.NEWS4: New plaza in Uptown Charlotte to become Duke Energy's corporate headquarters.NEWS5: UPDATE 3-Activist Elliott calls for three-way split of U.S. utility Duke.NEWS6: Duke Energy's stock spikes up, then pares gains after WSJ report that activist investor is urging to split up.NEWS7: Duke Energy Foundation awards $100,000 grant to expand Indiana suicide prevention call centers.NEWS8: Duke Energy Urged by Hedge Fund Elliott to Split Into 3 Firms.NEWS9: Elliott says one of America’s largest utilities should be split in three.
2021-05-18: NEWS1: Duke Energy Shake-Up Idea May Be Too New, Too Late.

Answer: Decrease