Shame no one replied to this earlier
RVM almost doubled
Most of the information about the company will be in the prospectus and can be used to see what the outlook might be for the company for near future.
Things can change from when it lists so need to be aware of the implications of changes in the company and markets with respect to the company.
Look at what the company plans to do. Mining companies if they are in a hot sector (Uranium, Nickel) might get more interest than a company searching for bauxite or other metal that has done nothing