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:2019-05-07, Stock:NVS, The news for the past five days is as follows:
2019-04-30: NEWS1: 5 Biotech Stocks for a Long-Lived Portfolio.NEWS2: Incyte (INCY) Q1 Earnings & Revenues Beat Estimates, Up Y/Y.NEWS3: Incyte (INCY) Q1 Earnings & Revenues Beat Estimates, Up Y/Y.NEWS4: Incyte (INCY) Q1 Earnings & Revenues Beat Estimates, Up Y/Y.NEWS5: Health Care Sector Update for 04/30/2019: LLY, PFE, NVS, JNJ, ABTX, MRK, AMGN.NEWS6: Health Care Sector Update for 04/30/2019: LLY, PFE, NVS, JNJ, ABTX, MRK, AMGN.NEWS7: Can 'synthetic lethality' and deep experience propel this cancer-fighting biotech's $70M IPO?.NEWS8: Novartis’s Oncology Business Continues Its Strong Showing in Q1.NEWS9: Is a Beat in the Cards for Incyte (INCY) in Q1 Earnings?.NEWS10: Is a Beat in the Cards for Incyte (INCY) in Q1 Earnings?.
2019-05-01: NEWS1: Amgen Reports an Unusual Slide Backward.NEWS2: Amgen Reports an Unusual Slide Backward.
2019-05-02: NEWS1: PDL BioPharma (PDLI) to Post Q1 Earnings: What's in Store?.NEWS2: PDL BioPharma (PDLI) to Post Q1 Earnings: What's in Store?.NEWS3: PDL BioPharma (PDLI) to Post Q1 Earnings: What's in Store?.NEWS4: What's The Buzz Around Novartis' Gene Therapy Zolgensma?.
2019-05-03: NEWS1: Gilead (GILD) Earnings Beat, Revenues Miss Estimates in Q1.NEWS2: Gilead (GILD) Earnings Beat, Revenues Miss Estimates in Q1.NEWS3: Ligand (LGND) Q1 Earnings & Sales Fall Y/Y, Stock Down.NEWS4: Ligand (LGND) Q1 Earnings & Sales Fall Y/Y, Stock Down.NEWS5: Gilead (GILD) Earnings Beat, Revenues Miss Estimates in Q1.NEWS6: Ligand (LGND) Q1 Earnings & Sales Fall Y/Y, Stock Down.
2019-05-06: NEWS1: Exelixis Expands Its Sales.NEWS2: Exelixis Expands Its Sales.NEWS3: Conatus' (CNAT) Earnings, Revenues Miss Estimates in Q1.NEWS4: Conatus' (CNAT) Earnings, Revenues Miss Estimates in Q1.NEWS5: Conatus' (CNAT) Earnings, Revenues Miss Estimates in Q1.

Answer: Decrease