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:2021-09-20, Stock:PM, The news for the past five days is as follows:
2021-09-13: nan
2021-09-14: nan
2021-09-15: NEWS1: Philip Morris International Announces Closing of Fertin Pharma Acquisition; Advances PMI’s Goal of Becoming a Majority Smoke-Free Business by 2025 and Creates Growth Opportunities Beyond Nicotine.NEWS2: Philip Morris raises quarterly dividend to $1.25 a share from $1.20.NEWS3: Philip Morris International (PMI) Increases Dividend by 4.2% to Annualized Rate of $5.00 per Share.
2021-09-16: NEWS1: Vectura barred from major medical conference after Philip Morris takeover.NEWS2: Tobacco firm Philip Morris seals £1.1bn takeover of UK inhaler maker.NEWS3: Philip Morris (PM) Buys Fertin Pharma, Announces Dividend Hike.NEWS4: Philip Morris International Announces Unconditional Offer for Vectura Group PLC.NEWS5: Philip Morris confirms majority of inhaler firm shareholders agree to takeover.NEWS6: UPDATE 3-Philip Morris seals deal for UK's Vectura despite health group concerns.NEWS7: Philip Morris seals deal for UK's Vectura despite health group concerns.NEWS8: Forget fourth stimulus — these stocks offer income checks growing as fast as 11%.
2021-09-17: NEWS1: Philip Morris wants to sell you inhalers for your asthma.NEWS2: Philip Morris wants to sell you inhalers for your asthma.NEWS3: Philip Morris (PM) Secures More than 74% Stake in Vectura.

Answer: Decrease