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Brokerage is committing civil transactions with securities as a commission agent or attorney, acting on the basis of a contract of agency or commission, or power of attorney for such transactions.
Dealer activity - transactions of purchase and sale of securities on its own behalf and at his own expense by the public announcement of the purchase price and/or sale of certain securities with a commitment to purchase and/or sale of such securities on announced prices. Dealer of stock exchange trades in securities for its own account or on behalf of.