NA 12,615.64.20 UN Problem 4 - Stock Market This graph presents the NASDAQ Composite (IXIC) Index in relation to the performance of AstraZeneca PLC (AZN). a) Explain all information that is presented in this graph. b) Take the historical data for AstraZeneca NLC for the period from the beginning of November 2020 to the present day and graph the price fluctuation Explain this graph. c) Calculate the daily absolute and relative differences and discuss them after you create their graphs. d) Define in two different ways the daily returns in percentage and compare them to the information you have above in c. e) Calculate and graph the cumulative percent changes and discuss this graph in a comparison to the stock price fluctuation. For all your work use the closing price of the day. way that