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:2019-05-09, Stock:NVS, The news for the past five days is as follows:
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.
2019-05-07: NEWS1: Momenta Pharmaceuticals Wants to Be the &quot;Humira of the FcRn Space&quot;.NEWS2: Momenta Pharmaceuticals Wants to Be the &quot;Humira of the FcRn Space&quot;.NEWS3: Novartis to release new gene therapy drug that could cost $2 million.NEWS4: In The Search For Safety, Don't Miss The Swiss.
2019-05-08: NEWS1: Novartis buys Takeda's dry eye drug for $3.4 bln.NEWS2: Novartis buys dry-eye drug Xiidra rights from Takeda for $3.4 billion.NEWS3: Novartis buys Takeda's dry eye drug for $3.4 bln.NEWS4: Aduro (ADRO) Q1 Earnings and Revenues Fall Shy of Estimates.NEWS5: Aduro (ADRO) Q1 Earnings and Revenues Fall Shy of Estimates.NEWS6: Novartis confident of Zolgensma supply, calls $2 million price "speculation".NEWS7: Aduro (ADRO) Q1 Earnings and Revenues Fall Shy of Estimates.NEWS8: Validea Peter Lynch Strategy Daily Upgrade Report - 5/8/2019.NEWS9: Validea Peter Lynch Strategy Daily Upgrade Report - 5/8/2019.

Answer: Decrease