More fundamental analysis

I have more and more companies to monitor – in order to more precisely try to select companies with greater growth potential – I am including additional fundamental analysis indicators in the decision-making process:

· PE Ratio – price / earnings

· PB Ratio – price / book value

· P/S Ratio – price / revenue

· ROE - return on equity ratio

All indicators – to avoid adding work for myself – I read into my application via the "Stock Market API" from the service https://www.alphavantage.co/