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:2019-05-13, Stock:NVS, The news for the past five days is as follows:
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.
2019-05-09: NEWS1: Top Trending: Chevron backs out of Anadarko deal, Novartis purchases Takeda Eye, Walmart manager salaries.NEWS2: Novartis to Buy Takeda's Eye Drug in $5.3 Billion Deal.NEWS3: Novartis’s $5.3 Billion Eye Disease Deal Adds Cash for Bigger Bets .NEWS4: Codexis Bags Novartis as Software Customer, Stays Course in First Quarter.NEWS5: The Daily Biotech Pulse: Novartis Goes Shopping, Mixed Trial Results For Provention Bio, 4 Stocks To Debut.NEWS6: Stocks making the biggest moves premarket: Disney, Intel, Etsy, Fox Corp, Costco, Novartis & more.NEWS7: Stocks making the biggest moves premarket: Disney, Intel, Etsy, Fox Corp, Costco, Novartis & more.NEWS8: Novartis buys dry eye drug from Takeda for up to $5.3 billion.NEWS9: Novartis to Buy Takeda Eye Drug Assets in $5.3 Billion Deal.NEWS10: Novartis buys dry eye drug from Takeda for up to $5.3 billion.NEWS11: Takeda sheds products, 485 jobs in deals worth $5.7B.NEWS12: Takeda to sell eye drug to Novartis in $5.3bn deal.
2019-05-10: NEWS1: Tilray (TLRY) to Report Q1 Earnings: What's in the Cards?.NEWS2: Tilray (TLRY) to Report Q1 Earnings: What's in the Cards?.NEWS3: Tilray (TLRY) to Report Q1 Earnings: What's in the Cards?.NEWS4: Pharma Stock Roundup: AGN, NVO Report Q1 Earnings, NVS to Buy Takeda's Eye Drug.NEWS5: Pharma Stock Roundup: AGN, NVO Report Q1 Earnings, NVS to Buy Takeda's Eye Drug.NEWS6: Pharma Stock Roundup: AGN, NVO Report Q1 Earnings, NVS to Buy Takeda's Eye Drug.

Answer: Decrease