While the proven Zacks Rank places an emphasis on earnings estimates and estimate revisions to find strong stocks, we also know that investors tend to develop their own individual strategies. With this in mind, we are always looking at value, growth, and momentum trends to discover great companies.

Of these, perhaps no stock market trend is more popular than value investing, which is a strategy that has proven to be successful in all sorts of market environments. Value investors rely on traditional forms of analysis on key valuation metrics to find stocks that they believe are undervalued, leaving room for profits.

In addition to the Zacks Rank, investors looking for stocks with specific traits can utilize our Style Scores system. Of course, value investors will be most interested in the system's "Value" category. Stocks with "A" grades for Value and high Zacks Ranks are among the best value stocks available at any given moment.

One company value investors might notice is Deutsche Telekom (DTEGY Quick QuoteDTEGY - Free Report) . DTEGY is currently sporting a Zacks Rank #2 (Buy) and an A for Value. The stock is trading with a P/E ratio of 13.19, which compares to its industry's average of 14.66. Over the past 52 weeks, DTEGY's Forward P/E has been as high as 17.39 and as low as 13.19, with a median of 14.75.

Investors will also notice that DTEGY has a PEG ratio of 1.29. This figure is similar to the commonly-used P/E ratio, with the PEG ratio also factoring in a company's expected earnings growth rate. DTEGY's PEG compares to its industry's average PEG of 1.44. DTEGY's PEG has been as high as 1.48 and as low as 0.95, with a median of 1.35, all within the past year.

We should also highlight that DTEGY has a P/B ratio of 1.67. Investors use the P/B ratio to look at a stock's market value versus its book value, which is defined as total assets minus total liabilities. This stock's P/B looks attractive against its industry's average P/B of 2.02. Over the past year, DTEGY's P/B has been as high as 1.88 and as low as 1.39, with a median of 1.69.

Value investors also use the P/S ratio. The P/S ratio is calculated as price divided by sales. Some people prefer this metric because sales are harder to manipulate on an income statement. This means it could be a truer performance indicator. DTEGY has a P/S ratio of 1.18. This compares to its industry's average P/S of 1.22.

Finally, investors should note that DTEGY has a P/CF ratio of 4.13. This metric takes into account a company's operating cash flow and can be used to find stocks that are undervalued based on their solid cash outlook. This stock's P/CF looks attractive against its industry's average P/CF of 5.55. Over the past 52 weeks, DTEGY's P/CF has been as high as 4.93 and as low as 3.86, with a median of 4.53.

These are just a handful of the figures considered in Deutsche Telekom's great Value grade. Still, they help show that the stock is likely being undervalued at the moment. Add this to the strength of its earnings outlook, and we can clearly see that DTEGY is an impressive value stock right now.