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:2020-12-21, Stock:BA, The news for the past five days is as follows:
2020-12-14: NEWS1: Virgin Galactic Sinks After Aborted Test Flight But Here's Why Wall Street Isn't Worried.NEWS2: Boeing Expands 787 Dreamliner Inspections Due to Fuselage Defect.NEWS3: Boeing expands 'Dreamliner' inspection after more defects: WSJ.NEWS4: Dow Ends Lower on Fears Fresh Restrictions Await as U.S. Deaths Top 300,000.NEWS5: Virgin Galactic Stock Tumbles After Key Test Flight Aborted In Midair.NEWS6: Dow Eases From Record on Fears of Further Virus Restrictions.NEWS7: Defense Stock Roundup: LMT, BA Win Big Contracts, NOC Inks Divestiture Deal.
2020-12-15: NEWS1: Jim Cramer Is Looking at Reddit to Understand Stocks Tuesday.NEWS2: Boeing (BA) Wins $109M Navy Deal for P-8A Training Systems.NEWS3: Company News for Dec 15, 2020.NEWS4: Boeing's Share-Price Target Lifted by J.P. Morgan.NEWS5: LIVE: Jim Cramer on Moderna, Federal Reserve, Boeing, Stock Market Tuesday.NEWS6: Turning Up the Heat on COVID-19 in the Flight Deck.NEWS7: Eli Lilly, Prevail Therapeutics, Boeing - Tuesday's Premarket Movers.NEWS8: Joe Biden, Covid Deaths, Amazon, Boeing - 5 Things You Must Know Tuesday.NEWS9: Boeing To Conduct Enhanced Fuselage Inspections For 787 Dreamliner: WSJ.NEWS10: Is BA A Good Stock To Buy Now?.
2020-12-16: NEWS1: Boeing (BA) Stock Sinks As Market Gains: What You Should Know.NEWS2: America’s Zombie Companies Rack Up $2 Trillion of Debt.NEWS3: Boeing Cancels Pay Raises, Makes Large-Scale Stock Grant to Employees.NEWS4: Southwest Cuts 737 MAX Purchases Through Next Year.NEWS5: Boeing Freezes Salary Increases; Says Full Industry Recovery May Take Three Years.NEWS6: The Zacks Analyst Blog Highlights: Coca-Cola, Oracle, Chevron, Boeing and 3M.NEWS7: Is Northrop Grumman Stock A Buy With New Stealth Bombers Under Construction?.NEWS8: Boeing grants vested shares to some employees, halts merit pay raises.NEWS9: Northrop (NOC) Wins $164M Deal to Support APY-1/2 Radar Systems.NEWS10: Morning Bell With Jim Cramer: When to Buy Apple.
2020-12-17: NEWS1: Dow Jones Jumps Despite Rising Unemployment Claims; Boeing Hires Pilots for 737 MAX Return; Nike Stock Called Best Idea for 2021; IBM CEO Elected to Board.NEWS2: Southwest (LUV) Eyes a March Comeback for Boeing 737 MAX Jets.NEWS3: Boeing Downgraded to Sell by Redburn After Rally.NEWS4: Boeing Could Experience Further Weakness or Turbulence.NEWS5: Boeing hires its own pilots to smooth return of 737.NEWS6: UK and US in talks over mini trade deal.
2020-12-18: NEWS1: Boeing Stock Is Recovering, But It’s Not a Buy Yet.NEWS2: Stock Market Today With Jim Cramer: Tesla Joins S&P 500 on Monday.NEWS3: Goldman’s Gary Cohn Saga Thrusts Clawback Shortcomings Into Spotlight.NEWS4: Dividends and Buybacks Look Poised for a 2021 Rebound.NEWS5: FOCUS-Pandemic tests Rolls-Royce resilience after prolonged engine trouble.NEWS6: FOCUS-Pandemic tests Rolls-Royce resilience after prolonged engine trouble.NEWS7: Bezos' Blue Origin to deliver first flight-ready rocket engines next summer -ULA CEO.NEWS8: Jim Cramer: Here's Betting on Boeing and the Airlines Taking Flight.

Answer: Decrease