How do you classify Reuters report on AstraZenecas vaccine trial on hold on 7 May 2021 in terms of unsystematic and systematic risk? You should analyse Figure 1 below to classify this event as a source of unsystematic and systematic risk

Figure 1: Closing Prices of AstraZeneca PLC and S\&P500, Oct 142016 -Oct 132021 5000 4500 4000 3500 50 40 30 Figure 1: Closing Prices of AstraZeneca PLC and S\&P500, Oct 142016 -Oct 132021 5000 4500 4000 3500 50 40 30