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:2019-08-07, Stock:NVS, The news for the past five days is as follows:
2019-07-31: NEWS1: Ligand (LGND) Stock Down Despite Q2 Earnings & Sales Beat.NEWS2: Ligand (LGND) Stock Down Despite Q2 Earnings & Sales Beat.NEWS3: Gilead (GILD) Q2 Earnings & Sales Beat, Sales Guidance Raised.NEWS4: Gilead (GILD) Q2 Earnings & Sales Beat, Sales Guidance Raised.NEWS5: Ligand (LGND) Stock Down Despite Q2 Earnings & Sales Beat.NEWS6: Gilead (GILD) Q2 Earnings & Sales Beat, Sales Guidance Raised.
2019-08-01: NEWS1: United Therapeutics (UTHR) Q2 Earnings & Sales Beat, Down Y/Y.NEWS2: United Therapeutics (UTHR) Q2 Earnings & Sales Beat, Down Y/Y.NEWS3: United Therapeutics (UTHR) Q2 Earnings & Sales Beat, Down Y/Y.
2019-08-02: NEWS1: Pharma Stock Roundup: PFE, MRK, LLY Q2 Earnings, Upjohn-MYL Merger.NEWS2: Biogen on the brink: One of the state's largest drugmakers faces a crisis.
2019-08-05: NEWS1: Aduro (ADRO) Earnings Miss in Q2, Revenues Meet Estimates.NEWS2: Aduro (ADRO) Earnings Miss in Q2, Revenues Meet Estimates.NEWS3: Aduro (ADRO) Earnings Miss in Q2, Revenues Meet Estimates.
2019-08-06: NEWS1: SHAREHOLDER ALERT: Levi & Korsinsky, LLP Notifies Investors of an Investigation Involving Possible Securities Fraud Violations by Certain Officers and Directors of Novartis AG.NEWS2: Here's What's Pushing Teva Pharmaceutical Industries Stock Even Lower Today.NEWS3: Here's What's Pushing Teva Pharmaceutical Industries Stock Even Lower Today.NEWS4: Novartis $2.1 Million Gene Therapy Is Based On Flawed Data, Says FDA.NEWS5: U.S. FDA says some data testing Novartis' $2 million gene therapy was manipulated.NEWS6: UPDATE 2-FDA says some data testing Novartis' $2 mln gene therapy was manipulated.NEWS7: Novartis stock falls after FDA says Zolgensma BLA had a 'data manipulation issue'.NEWS8: FDA says some data testing Novartis' $2 mln gene therapy was manipulated.NEWS9: FDA Says Some Data From Novartis Gene Therapy Manipulated.NEWS10: FDA probing ‘data manipulation’ from early tests of Novartis drug.

Answer: Rise