The withholding of part of a new securities issue by a syndicate member, with the intention of selling it later at a higher price. Illegal. Also, the rapid buying and selling of a security by a broker without putting up personal funds for the purchase. Also illegal.

Has several meanings. It can refer to a customer account which engaged in purchases and sales without paying for the securities. There are several exceptions for some markets which may permit day-trading waivers or no reconciliation until final settlement or reciprocal closeout of position. It can refer to an underwriter withholding a portion of a hot issue for the benefit of its own account.

When an underwriter withholds a certain amount of IPO shares and later sells them for a higher price. Prohibited by the Securities Exchange Commission and the National Association of Securities Dealers.

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