Section 73-306 - Trading markets(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 Exchange Act of 1934 [ 15 U.S.C. § 78a et seq.] or unless the filing provisions of this chapter have been complied with in regard to such security.(b) Except as provided otherwise by § 18 of the Securities Act of 1933 [ 15 U.S.C. § 77r ], the Director is empowered to suspend trading in any security for a period of 10 days in the public interest. 6 Del. C. 1953, § 7318; 59 Del. Laws, c. 208, §1; 71 Del. Laws, c. 162, § 24; 78 Del. Laws, c. 175, §§ 103, 118.;