A user of the ISN service can either approach the challenge by looking at various stocks to see what the economic influences are telling about the company share price, or he could start with the economic development to see which stocks should be influenced and by how much.
Most investors have some general idea of what economic factors affect a company. The more difficult question is by how much they affect the company. Or, what if several significant factors are moving in opposite directions – what is the net impact? How can one be sure that all the factors have been considered?