Preliminary analysis in financial markets refers to the forecasting of various indicators, economic and financial, by evaluating past and present data and parameters.
Preliminary analysis is not always correct, because it is often impossible to take into account the variables, and the markets are also subject to shocks that affect all stocks.
A good delivery is understood as an unhindered transfer of ownership of a security from the seller to the buyer in compliance with all necessary requirements.
Arbitrageurs are investors who exploit market inefficiencies of any kind. They are necessary to ensure that inefficiencies between markets are smoothed out or kept to a minimum.
A beneficial owner is a person who enjoys the benefits of ownership, despite the fact that the ownership of the property is registered in a different name.
The bid-ask spread is the difference between the highest price a buyer is willing to pay for an asset and the lowest price a seller is willing to accept.