Here at Zacks, we focus on our proven ranking system, which places an emphasis on earnings estimates and estimate revisions, to find winning stocks. But we also understand that investors develop their own strategies, so we are constantly looking at the latest trends in value, growth, and momentum to find strong companies for our readers.

Looking at the history of these trends, perhaps none is more beloved than value investing. This strategy simply looks to identify companies that are being undervalued by the broader market. Value investors use tried-and-true metrics and fundamental analysis to find companies that they believe are undervalued at their current share price levels.

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.

REV Group (REVG) is a stock many investors are watching right now. REVG is currently holding a Zacks Rank of #2 (Buy) and a Value grade of A. The stock holds a P/E ratio of 15.64, while its industry has an average P/E of 17.40. Over the past 52 weeks, REVG's Forward P/E has been as high as 15.64 and as low as 9.53, with a median of 12.73.

Value investors also use the P/S ratio. The P/S ratio is 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. REVG has a P/S ratio of 0.75. This compares to its industry's average P/S of 1.34.

Finally, investors will want to recognize that REVG has a P/CF ratio of 6.52. This figure highlights a company's operating cash flow and can be used to find firms that are undervalued when considering their impressive cash outlook. This stock's P/CF looks attractive against its industry's average P/CF of 16.51. Over the past year, REVG's P/CF has been as high as 16.35 and as low as 3.68, with a median of 5.25.

Value investors will likely look at more than just these metrics, but the above data helps show that REV Group is likely undervalued currently. And when considering the strength of its earnings outlook, REVG sticks out at as one of the market's strongest value stocks.

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