Investors will come automatically as the Steem Network starts making headlines. As more and more users join steem investors will come in naturally. Rapid development and Innovation are the key.
In the case of Steem, its development is going very slow. We have been waiting for SMT's since along period of time. Even though Steem is much older than EOS, the development of EOS is going at a much faster speed. If Steem doesn't gear up it will loose the lead it has now.