Deferment period is a period of time after a loan where the taker of the loan doesn’t have an obligation to pay up the percentage it can also refer to the time when the security cannot be called by the issuer.

QOQ or quarter to quarter is a technique that is used to measure the performance of the asset in the current quarter to the previous one or to the same quarter in a different year. The technique is useful for those who want to see a big picture in the growth of the companies and assets.

The average collected balance is the average balance of the funds collected in a certain span of time – usually in a month. It is calculated by adding all of the daily balances and dividing them by the numbers of the days in a month.

An interesting stock index that includes all of the companies which are connected to the Harry Potter book series. It was created in order to capture the success of the books, movies and everything else, connected to the wizard boy.

Oil refinery is an oil working plant that turn crude oil into petroleum products, such as gasoline, diesel and heating oils. Refinery is a second stage of production, the first one being extraction of the oil crude from the field.

Back order is an order that came from the customer, but which the business or production facility cannot fulfil. It is an indicator that the demand is higher than the capacity of the business to supply.

Measuring principle is a kind of technical analysis that is used to measure the future performance of the stocks and see whether the changes and movements are going to occur in the performance of the stock in the nearest time. It can allow traders to set minimum price target by weighing the movements of the stock pattern against each other.

Gapping is the phenomenon that can occur in stock trading charts. It is a gap that can happen between the closing and opening price of the stock in case opening price is significantly higher or lower than the closing one with no trading in between them.