Securities trading services for others via the Internet, telecommunications networks, and securities exchanges; providing financial valuation of securities; providing financial information via the Internet, telecommunications networks, and securities exchanges regarding investment securities; providing an on-line computer database in the field of securities market information in the nature of operating an on-line, non-telecommunications, service to facilitate the distribution of new securities offerings and secondary market securities offerings across multiple securities markets and securities exchanges by using features designed to disseminate price discovery information to investors and gather demand discovery information while minimizing barriers to investor participation