The Securities and Exchange Commission is adopting new rules to address three issues: the selective disclosure by issuers of material nonpublic information; when insider trading liability arises in connection with a trader's "use" or "knowing possession" of material nonpublic information; and when the breach of a family or other non-business relationship may give rise to liability under the misappropriation theory of insider trading. The rules are designed to promote the full and fair disclosure of information by issuers, and to clarify and enhance existing prohibitions against insider trading.