No. 8464. Argued January 6, 1944. Decided April 20, 1944. As Amended April 26, May 1, and June 9, 1944. Appeal from Securities and Exchange Commission. Petition by National Association of Securities Dealers, Inc., to review order of the Securities and Exchange Commission approving the application of the New York Curb Exchange to extend unlisted trading privileges to certain bonds. Order affirmed in part. Petition for review dismissed in part. Paul W. Frum, of Cleveland, Ohio, (Baker, Hostetler Petterson