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:2021-01-21, Stock:CSCO, The news for the past five days is as follows:
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.
2021-01-19: NEWS1: Cisco Gets Conditional Approval From China for Acacia Deal.NEWS2: What Type Of Shareholders Make Up Cisco Systems, Inc.'s (NASDAQ:CSCO) Share Registry?.
2021-01-20: NEWS1: Cloud Business Set to Score Big on Coronavirus Fears: 4 Winners.NEWS2: Zacks Investment Ideas feature highlights: JPMorgan, Goldman Sachs, Taiwan Semiconductor Manufacturing, NVIDIA and Cisco Systems.

Answer: Decrease