Human activities widely exhibit a power-law distribution. Considering stock trading as a typical human activity in the financial domain, the first aim of this paper is to validate whether the well-known power-law distribution can be observed in this activity. Interestingly, this paper determines...

In recent years, a great deal of attention has been devoted to the use of neural networks in portfolio management, particularly in the prediction of stock prices. Building a more profitable portfolio with less risk has always been a challenging task. In this study, we propose a model to build a...

Value and contrarian investment strategies are two basic approaches which are widely used by investors worldwide. Both value and contrarian investment strategies are assumed to pick the same stocks even though the approach to picking the stocks is different. Furthermore, both investment...

This research involved developing an optimal stock investment decision strategy which offers minimum risk to the potential investor for counters listed on the Zimbabwe Stock Exchange. Three counters were compared namely Econet Wireless, Delta and Old Mutual. The first phase of the project...

Evidences thrive on the effects of political regimes and presidential elections on stock market returns. This paper investigates the effects of presidential elections on stock returns around the election periods at the Nigerian Stock Exchange (NSE) market. A sample of five (5) months each for a...

Purpose: This article deals with the retail investors' decision-making under risk, firstly addressing several theories of decision-making under risk. Following this theoretical framework, an analysis on investment strategies on the Croatian capital market has been conducted....

An efficient market should not show any anomalies. When new information reaches a market which is efficient, it should automatically translate into prices of assets, which ought to eliminate the possibility of gaining an advantage over other investors, thus preventing excess profits. However,...