Value investing is one of the best known stock-picking methods. In the 1930s, Benjamin Graham and David Dodd, finance professors at Columbia University, laid out what many consider to be the framework for value investing. The concept is actually very simple: find companies trading below their inherent worth.
The value investor looks for stocks with strong fundamentals - including earnings, dividends, book value, and cash flow - that are selling at a bargain price, given their quality. The value investor seeks companies that seem to be incorrectly valued (undervalued) by the market and therefore have the potential to increase in share price when the market corrects its error in valuation.
Can value companies be those that have just reached new lows? - Definitely, although we must re-emphasize that the "cheapness" of a company is relative to intrinsic value.
A company that has just hit a new 12-month low or is at half of a 12-month high may warrant further investigation.
Here is a breakdown of some of the numbers value investors use as rough guides for picking stocks. Keep in mind that these are guidelines, not hard-and-fast rules:
- Share price should be no more than two-thirds of intrinsic worth.
- Look at companies with P/E ratios at the lowest 10% of all equity securities.
- PEG should be less than one.
- Stock price should be no more than tangible book value.
- There should be no more debt than equity (i.e. D/E ratio < 1).
- Current assets should be two times current liabilities.
- Dividend yield should be at least two-thirds of the long-term AAA bond yield.
- Earnings growth should be at least 7% per annum compounded over the last 10 years.
The Margin of Safety
A discussion of value investing would not be complete without mentioning the use of a margin of safety, a technique which is simple yet very effective. Consider a real-life example of a margin of safety. Say you're planning a pyrotechnics show, which will include flames and explosions. You have concluded with a high degree of certainty that it's perfectly safe to stand 100 feet from the center of the explosions. But to be absolutely sure no one gets hurt, you implement a margin of safety by setting up barriers 125 feet from the explosions.
This use of a margin of safety works similarly in value investing. It's simply the practice of leaving room for error in your calculations of intrinsic value. A value investor may be fairly confident that a company has an intrinsic value of $30 per share. But in case his or her calculations are a little too optimistic, he or she creates a margin of safety/error by using the $26 per share in their scenario analysis. The investor may find that at $15 the company is still an attractive investment, or he or she may find that at $24, the company is not attractive enough. If the stock's intrinsic value is lower than the investor estimated, the margin of safety would help prevent this investor from paying too much for the stock.
Conclusion
Value investing is not as sexy as some other styles of investing; it relies on a strict screening process. But just remember, there's nothing boring about outperforming the S&P by 13% over a 40-year span!
http://www.investopedia.com/university/stockpicking/stockpicking3.asp
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