Iraqi stock market structure analysis based on minimum spanning tree.

Stock markets changed up and down during time. Some companies' affect others due to dependency on each other. In this work, the network model of the stock market is described as a complete weighted graph. This paper aims to investigate the Iraqi stock markets using graph theory tools. The vertices of this graph correspond to the Iraqi markets companies, and the weights of the edges are set ulrametric distance of minimum spanning tree. [ABSTRACT FROM AUTHOR]