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:2021-01-19, Stock:CSCO, The news for the past five days is as follows:
2021-01-11: NEWS1: Acacia files counterclaim against Cisco over $2.84-bln merger deal.NEWS2: Acacia Communications Files Counterclaim Against Cisco.NEWS3: Dow Jones Slumps 100 Points; Boeing Stock Lower After Fatal Crash; Cisco Fights to Close Acacia Merger.NEWS4: Cisco (CSCO) Announces Updates Regarding Pending Acacia Takeover.
2021-01-12: NEWS1: Has Cisco Systems (CSCO) Outpaced Other Computer and Technology Stocks This Year?.
2021-01-13: nan
2021-01-14: NEWS1: Cisco Systems (CSCO) Dips More Than Broader Markets: What You Should Know.NEWS2: Cisco Sweetens Offer For Optical Device Maker Acacia To $4.5 Billion.NEWS3: Acacia Shares Surge On New $4.5 Billion Merger With Cisco.NEWS4: Cisco Sweetens Offer For Optical Device Maker Acacia To $4.5 Billion.NEWS5: Cisco CEO on Capitol siege: ‘it was certainly a wake-up call’.NEWS6: Acacia Stock Rises 30% After Cisco Agrees to Buy It for $4.5 Billion.NEWS7: Cisco Lifts Acacia Bid to $4.5 Billion to Clinch the Deal.NEWS8: Acacia stock surges after Cisco agrees to larger takeover deal.
2021-01-15: NEWS1: Cisco (CSCO) to Now Shell Out $4.5B for Acacia Acquisition.NEWS2: Cisco Systems Struggles With Chart Resistance.

Answer: Decrease