Answer:
The internet can be used for all the above options (I,ii,III,iv)
Explanation: The internet is known as a computer network where a lot of different companies, countries, school e.t.c has their own private network. the internet is widely used by both young and old, it has access to vase knowledge of stockmarkets, informations and others. Internet users uses internet to analyze individual securities,search for stocks that meet specific investment criteria, organize their financial information and track the performance of their portfolio. Users do use it to monitor their stocks and day to day happenings in the stock market.