The beginning of the amazing events at Krakatoa in 1883 date to May 20 when there were initial rumblings and venting from the volcano, which had been dormant for about 200 years.
A refinery margin is the revenue associated with refining petroleum, expressed as a value per volume (e.g. $/L), net of the cost of the crude oil input. The simplest refining
The deposit is held by the clearing organization of the exchange. (2) in stock transactions, margin refers to the down payment required when borrowing from a broker to finance the purchase of stock. Answer Margin is borrowing money to buy securities. The upside of margin is it amplifies gains. The downside is it amplifies losses. There are only two ways to lose more money than you invest in the stock market: selling naked calls, and margin trading.