(3) For the purposes of this section, a prospectus contains a material statement, promise or forecast if the statement, promise or forecast was made in such a manner or context, or in such circumstances, as to be likely to influence a reasonable man in deciding whether to invest in the shares or debentures offered for subscription; and a statement, report or account is omitted from a prospectus if it is omitted entirely, or if it does not contain all the information required by this Act to be given in the statement, report or account.