An investment is a commitment of funds made in the expectation of some positive rate of return. A fundamental principle of investments is diversification, where investors diversify their investments into different types of financial assets. The different stocks can be clubbed in one portfolio....

Purpose - The purpose of this paper is to implement a genetic algorithmic geared toward building an optimized investment portfolio exploring data set from stocks of firms listed on the Nigerian exchange market. To provide a research-driven guide toward portfolio business assessment and...

We develop and implement methods for determining whether introducing new securities or relaxing investment constraints improves the investment opportunity set for prospect investors. We formulate a new testing procedure for prospect spanning for two nested portfolio sets based on subsampling and...