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:2021-10-08, Stock:BA, The news for the past five days is as follows:
2021-10-01: NEWS1: 5 Companies Owned by BA.
2021-10-04: NEWS1: Qantas plans major narrowbody, widebody plane orders in 2022.NEWS2: Spirit AeroSystems adds new aftermarket work to Belfast factory.NEWS3: 3 reasons why airline stocks are screaming buys: analyst.NEWS4: Boeing (BA) Wins $173M Contract to Modify F/A-18 Aircraft.NEWS5: Don't bank on fourth stimulus — these stocks offer income checks rising as fast as 11%.NEWS6: How Does Autopilot Work? A Pilot Explains What It Can and Can’t Do.
2021-10-05: NEWS1: Italian supplier hints at long road for Boeing 787 production.NEWS2: Israeli Aerospace Firm Launches Cargo Conversion Program for Airbus A330.NEWS3: Under-the-Radar Aerospace Stocks.NEWS4: UPDATE 2-Emirates slams Boeing over 777X jet delays.NEWS5: Boeing takes on Airbus in green aviation battle.NEWS6: 30 Most Valuable Publicly Traded Defense Companies In The World.NEWS7: Emirates slams Boeing over 777X jet delays.NEWS8: Emirates pushes Boeing for more clarity on 777X deliveries.
2021-10-06: NEWS1: Boeing (BA) Gains But Lags Market: What You Should Know.NEWS2: Tech giants overtook Boeing during pandemic as state's largest employers.NEWS3: NASA Says Boeing’s Starliner Won’t Attempt Launch Again This Year.NEWS4: Cover your ears, YOLO crowd: Citadel’s Ken Griffin just had a big September.NEWS5: Spirit backs from early union talks after vaccine mandate.NEWS6: Spirit AeroSystems to mandate vaccine for employees.NEWS7: Boeing (BA) Wins $392M Contract for CH-47F Renew Aircraft.NEWS8: Boeing to Release Third-Quarter Results on October 27.NEWS9: Boeing Announces $1.4 Million to Support Afghan Allies and Military Veterans.NEWS10: Italy's New Airline Picks Airbus Over Boeing.
2021-10-07: NEWS1: Boeing's Chicago HQ a 'ghost town' as priorities shift.NEWS2: FOCUS-Boeing's Chicago HQ a 'ghost town' as priorities shift.

Answer: Decrease