Based on the data of Amazon, Apple, Microsoft, Zara and Pfizer calculate the following for the period $2024$:

$$ Monthly returns

$$ Average Returns

$$ Standard Deviation

$$ Compare and suggest which stocks you might be interested to invest in$.$

Please make the canculation.

Obtain Real Data: Use trusted financial websites $($Yahoo Finance, Google Finance, etc.$)$ to get the historical stock prices of these companies for $2024.$

Perform Calculations: Use the formulas above, or use Excel or similar software for easy calculations.