| http://www.w3.org/ns/prov#value | - If a purchase or sale of the securities or commodities ordered to be bought or sold is made by the person so employed on a stock exchange or board of trade, and other purchases or sales of such securities or commodities are made on the same day on such exchange or board by such person for others in due course of business, and the balance of such purchases or sales of securities or commodities is r
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