This paper exhibits the economic taxonomy of a minimal spanning tree constructed from the correlation matrix of daily returns of 65 stocks traded at the Bolsa Mexicana de Valores during a 8-year trading period. This paper also makes a classification of the risk and returns of these stocks...

In this paper we apply random matrix theory (RMT) to the analysis of cross-correlation matrix C constructed from daily returns of 65 stocks traded at the Bolsa Mexicana de Valores during a 8-year trading period. We find that the statistics of most of the eigenvalues in the spectrum of C agrees...