Butterfly (1957 song) Butterfly is a popular song written by Bernie Lowe and Kal Mann and published in 1957. The song is credited to Anthony September as songwriter in some sources. This was a pseudonym of Anthony Mammarella, producer of American Bandstand.
Active Trading. DEFINITION of 'Active Trading'. The buying and selling of securities with the intention of holding the securities for a short duration, typically for no more than one day.
Proprietary trading. Proprietary trading (also prop trading) occurs when a trader trades stocks, bonds, currencies, commodities, their derivatives, or other financial instruments with the firm's own money, as opposed to depositors' money, so as to make a profit for itself.