PickStock 1.7

PickStock (copyright 2003, Bell Software and Services, Inc.) 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` (see for example S. Ross, `The arbitrage theory of capital asset pricing`, J. Economic Theory, vol. 13, pp. 341-360, 1976).