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:2021-09-13, Stock:NVS, The news for the past five days is as follows:
2021-09-03: nan
2021-09-07: NEWS1: Why Did Wedbush Downgrade Xoma?.
2021-09-08: NEWS1: The HERoes Top 100 Women Executives 2021.NEWS2: Sandoz strengthens pipeline by entering into agreement for biosimilar bevacizumab, a key oncology medicine.
2021-09-09: nan
2021-09-10: nan

Answer: Decrease