(a) It is unlawful for any broker-dealer, agent, investment adviser or investment adviser representative to effect transactions in, trade, or quote any security unless such security is covered by regulations under the Securities and Exchange Act of 1934 or unless the filing provisions of this chapter have been complied with in regard to such security.

(b) Except as provided otherwise by the provisions of §18 of the Securities Act of 1933, the Commissioner is empowered to suspend trading in any security for a period of 10 days in the public interest.