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Critique of Ff Method

In: Business and Management

Submitted By 1lilqt
Words 476
Pages 2
I am not the savviest of investors, I rely on published reports of stock performance. Beginning in the 90s, technology companies were the hottest stocks to buy and like many, I purchased them for inclusion in my retirement portfolio. But, then there was a fantastic downturn in their market post September 11 and most of us lost a great deal of what we had invested. This article compares the stock performance of five technology information companies during a 10 year span. The conclusion of the authors (all academicians) is that the returns of these types of tech companies, specifically those that are vertically integrated are not correlated across their industry when there is a bull market, which seems counterintuitive as the companies used in the article would seem to ebb and flow together (IBM, Hewlett Packard, etc.). The article is interesting in that it correlates what the company’s core business is and its performance during the periods they have identified. For example, one would not expect IBM to do as well during the wireless mobile period as a company like Hewlett-Packard, even though they are both information technology companies.

Our text refers to the Fama & French (FF) studies applied to stock valuation as one of the methods. However, in searching out an article about these studies, it seems that their studies are used mostly in academia even thought it seems to have a good and practical application to stock portfolios. The FF studies point to three factors that the SML should have, which are the stock’s CAPM beta for measuring market risk, the size of the company as measured by market value equity and the equation that gives us the book to market ratio. This article indicates that the FF looks at the stock’s excess returns based on CAPM model. And, as there was little return during this time during several periods of the 10 year span, the…...

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