The proven Zacks Rank system focuses on earnings estimates and estimate revisions to find winning stocks. Nevertheless, we know that our readers all have their own perspectives, so we are always looking at the latest trends in value, growth, and momentum to find strong picks.

Considering these trends, value investing is clearly one of the most preferred ways to find strong stocks in any type of market. Value investors use a variety of methods, including tried-and-true valuation metrics, to find these stocks.

On top of the Zacks Rank, investors can also look at our innovative Style Scores system to find stocks with specific traits. For example, value investors will want to focus on the "Value" category. Stocks with high Zacks Ranks and "A" grades for Value will be some of the highest-quality value stocks on the market today.

One company to watch right now is Nexa Resources (NEXA). NEXA is currently sporting a Zacks Rank of #2 (Buy), as well as a Value grade of A. The stock holds a P/E ratio of 7.18, while its industry has an average P/E of 13.40. Over the past year, NEXA's Forward P/E has been as high as 41.29 and as low as -113.19, with a median of 13.02.

Investors should also note that NEXA holds a PEG ratio of 0.34. 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. NEXA's PEG compares to its industry's average PEG of 0.70. Within the past year, NEXA's PEG has been as high as 0.42 and as low as 0.11, with a median of 0.25.

Finally, we should also recognize that NEXA has a P/CF ratio of 7.44. This data point considers a firm's operating cash flow and is frequently used to find companies that are undervalued when considering their solid cash outlook. This stock's P/CF looks attractive against its industry's average P/CF of 27.66. NEXA's P/CF has been as high as 182.78 and as low as 6.82, with a median of 31.92, all within the past year.

These are only a few of the key metrics included in Nexa Resources's strong Value grade, but they help show that the stock is likely undervalued right now. When factoring in the strength of its earnings outlook, NEXA looks like an impressive value stock at the moment.

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