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:2019-05-15, Stock:PFE, The news for the past five days is as follows:
2019-05-08: NEWS1: After Hours Most Active for May 8, 2019 :  DWDP, NLY, KDMN, PFE, DIS, TSM.NEWS2: After Hours Most Active for May 8, 2019 :  DWDP, NLY, KDMN, PFE, DIS, TSM.NEWS3: Aerie (AERI) Q1 Earnings Beat, Rhopressa Misses Estimates.NEWS4: Aerie (AERI) Q1 Earnings Beat, Rhopressa Misses Estimates.NEWS5: Aerie (AERI) Q1 Earnings Beat, Rhopressa Misses Estimates.NEWS6: Commit To Buy Pfizer At $30, Earn 4.3% Using Options.NEWS7: Commit To Buy Pfizer At $30, Earn 4.3% Using Options.NEWS8: Drug/Biotech Stock Q1 Earnings on May 9: IONS, XLRN & More.NEWS9: Drug/Biotech Stock Q1 Earnings on May 9: IONS, XLRN & More.NEWS10: The Health Care Select Sector SPDR Fund Experiences Big Outflow.NEWS11: The Health Care Select Sector SPDR Fund Experiences Big Outflow.NEWS12: Array BioPharma (ARRY) Q3 Earnings and Sales Beat Estimates.NEWS13: Array BioPharma (ARRY) Q3 Earnings and Sales Beat Estimates.NEWS14: Pfizer Buys Rare Disease Biotech Therachon For $340M.NEWS15: Drug/Biotech Stock Q1 Earnings on May 9: IONS, XLRN & More.NEWS16: Array BioPharma (ARRY) Q3 Earnings and Sales Beat Estimates.NEWS17: Health Care Sector Update for 05/08/2019: INGN, NVTA, MCK, JNJ, PFE, ABT, MRK, AMGN.NEWS18: Health Care Sector Update for 05/08/2019: INGN, NVTA, MCK, JNJ, PFE, ABT, MRK, AMGN.NEWS19: Pfizer, Inc. (PFE) Ex-Dividend Date Scheduled for May 09, 2019.NEWS20: Pfizer, Inc. (PFE) Ex-Dividend Date Scheduled for May 09, 2019.NEWS21: Comparing the EPS Growth Trajectories of PFE and GSK.NEWS22: Pfizer Acquires Clinical-Stage Biotech Therachon.NEWS23: Can Pfizer Leap Over the Competition With This Potential Blockbuster?.
2019-05-09: NEWS1: Here's Why Sangamo Therapeutics Fell as Much as 13.6% Today.NEWS2: Here's Why Sangamo Therapeutics Fell as Much as 13.6% Today.NEWS3: Dow Movers: INTC, CVX.NEWS4: Dow Movers: INTC, CVX.NEWS5: Why Exact Sciences Shrugged Off the Moody Market in April.NEWS6: Why Exact Sciences Shrugged Off the Moody Market in April.NEWS7: Health Care Sector Update for 05/09/2019: ABIO, AGEN, ENDP, JNJ, PFE, ABT, MRK, AMGN.NEWS8: Health Care Sector Update for 05/09/2019: ABIO, AGEN, ENDP, JNJ, PFE, ABT, MRK, AMGN.NEWS9: Why Exact Sciences Shrugged Off the Moody Market in April.NEWS10: What You Need to Know About Sangamo Therapeutics&apos; Q1 Earnings Results.NEWS11: GSK-Pfizer deal gets approval from Australia's anti-trust watchdog.NEWS12: Australia's anti-trust watchdog gives go-ahead for GSK-Pfizer consumer healthcare deal.
2019-05-10: NEWS1: After Hours Most Active for May 10, 2019 :  COTY, PFE, UBER, HLF, MRK, DOW.NEWS2: After Hours Most Active for May 10, 2019 :  COTY, PFE, UBER, HLF, MRK, DOW.NEWS3: Health Care Sector Update for 05/10/2019: TRXC, PBYI, VSTM, JNJ, PFE, ABT, MRK, AMGN.NEWS4: Health Care Sector Update for 05/10/2019: TRXC, PBYI, VSTM, JNJ, PFE, ABT, MRK, AMGN.NEWS5: National Mutual Insurance Federation of Agricultur Buys Pfizer Inc, PayPal Holdings Inc, Sells ....NEWS6: Pharma Stock Roundup: AGN, NVO Report Q1 Earnings, NVS to Buy Takeda's Eye Drug.NEWS7: Pharma Stock Roundup: AGN, NVO Report Q1 Earnings, NVS to Buy Takeda's Eye Drug.NEWS8: Health Care Sector Update for 05/10/2019: PBYI, TRXC, VSTM, JNJ, PFE, ABT, MRK, AMGN.NEWS9: Health Care Sector Update for 05/10/2019: PBYI, TRXC, VSTM, JNJ, PFE, ABT, MRK, AMGN.NEWS10: Allergan plc. (AGN) Ex-Dividend Date Scheduled for May 13, 2019.NEWS11: Allergan plc. (AGN) Ex-Dividend Date Scheduled for May 13, 2019.NEWS12: Pharma Stock Roundup: AGN, NVO Report Q1 Earnings, NVS to Buy Takeda's Eye Drug.NEWS13: Buckingham's Bets- Two Values in Healthcare.NEWS14: ICU Medical, Inc. (ICUI) Q1 2019 Earnings Call Transcript.
2019-05-13: NEWS1: Health Care Sector Update for 05/13/2019: TEVA, NVS, INSY, JNJ, PFE, ABT, MRK, AMGN.NEWS2: Health Care Sector Update for 05/13/2019: TEVA, NVS, INSY, JNJ, PFE, ABT, MRK, AMGN.NEWS3: TV networks emerge as obstacles on YouTube's hunt for ads.NEWS4: Teva Plummets Amid Massive Price Fixing Accusations; Other Generic Drugmakers Also Fall.NEWS5: TV networks emerge as obstacles on YouTube's hunt for ads.NEWS6: FOCUS-TV networks emerge as obstacles on YouTube's hunt for ads.NEWS7: US generic drug companies hit by price-fixing claims.NEWS8: Fundamentals Of How China Makes Its Money (BABA, PFE).
2019-05-14: NEWS1: FDA Approves BAVENCIO® (avelumab) Plus INLYTA® (axitinib) Combination for Patients with Advanced Renal Cell Carcinoma.NEWS2: Generic Drugmakers Face Antitrust Suit Alleging Price Fixing.NEWS3: Generic Drugmakers Face Antitrust Suit Alleging Price Fixing.NEWS4: Health Care Sector Update for 05/14/2019: CTST, KMDA, MNK, JNJ, PFE, ABT, MRK, AMGN.NEWS5: Health Care Sector Update for 05/14/2019: CTST, KMDA, MNK, JNJ, PFE, ABT, MRK, AMGN.NEWS6: Generic Drugmakers Face Antitrust Suit Alleging Price Fixing.

Answer: Rise