[1] Since its adoption, Rule 144A has greatly increased the liquidity of the securities affected.
Rule 144A was implemented to induce foreign companies to sell securities in the US capital markets.
Rule 144A has become the principal safe harbor on which non-U.S. companies rely when accessing the U.S. capital markets.
[2] Originally, in 1990, the Nasdaq Stock Market offered a compliance review process which granted The Depository Trust Company (DTC) book-entry access to Rule 144A securities.
[3] Nasdaq launched an Electronic Trading Platform for Rule 144A securities called PORTAL.