1)   statistiXL 1.5
statistiXL is a powerful data analysis add-in for MS Excel. Its abilities include: ANOVA, Contingency Tables, Clustering, Correlation, Discriminant and Factor Analysis, GOF, Regression, Nonparametrics, PCA, Uni and Multivariate t-Tests and many more.
statistical analysis software, data analysis, statistics software, microsoft excel, analysis of variance, principal component analysis, cluster analysis, contingency tables, t-test, correlation,

 2)   PickStock 1.7
Uses principal components analysis to search out potentially underpriced stocks by analyzing a user-supplied database of historical stock prices. The program is believed to be an implementation of what is known as 'arbitrage pricing theory'.
principal components analysis, principal component analysis, stock analysis, stock picker, stocks, arbitrage pricing theory, ARPACK,