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.
The seller of a futures contract is obligated to deliver that asset. Contracts trade on futures exchanges, allowing traders to buy and sell to profit from changing values of the assets. The active trading of futures is important in the price discovery of many types of assets.