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:2018-08-07, Stock:PFE, The news for the past five days is as follows:
2018-07-31: nan
2018-08-01: nan
2018-08-02: nan
2018-08-03: nan
2018-08-06: NEWS1: Here's Why Antares Pharma Jumped Today.NEWS2: Here's Why Antares Pharma Jumped Today.NEWS3: Can Mylan Exceed Analysts’ Earnings Estimates in Q2 2018?.NEWS4: Analysts Are Bullish on Gilead Sciences in August.NEWS5: Here&apos;s Why Antares Pharma Jumped Today.NEWS6: Could Mylan Again Report a Sales Decline in Q2 2018?.NEWS7: Alnylam Pharmaceuticals Is &quot;Launch Ready&quot;.NEWS8: Alnylam Pharmaceuticals Is &quot;Launch Ready&quot;.NEWS9: What Analysts Recommend for Mylan before Q2 2018 Earnings.NEWS10: The Zacks Analyst Blog Highlights: Pfizer, Bristol-Myers, Sanofi, Glaxo and Novartis.NEWS11: The Zacks Analyst Blog Highlights: Pfizer, Bristol-Myers, Sanofi, Glaxo and Novartis.NEWS12: Why Pfizer Stock Gained 10% in July.NEWS13: Why Pfizer Stock Gained 10% in July.NEWS14: Why Pfizer Stock Gained 10% in July.NEWS15: The Zacks Analyst Blog Highlights: Pfizer, Bristol-Myers, Sanofi, Glaxo and Novartis.NEWS16: Benzinga Pro's 5 Stocks To Watch Today.NEWS17: Teva Raises Its 2018 Guidance despite Missing Sales Estimate.NEWS18: 10 Hot Stocks to Invest In Right Now.NEWS19: 10 Hot Stocks to Invest In Right Now.NEWS20: Antares Pharma, Pfizer To Develop Drug Device Rescue Pen - Quick Facts.NEWS21: Antares Pharma, Pfizer To Develop Drug Device Rescue Pen - Quick Facts.

Answer: Decrease