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.

Of these, value investing is easily one of the most popular ways to find great stocks in any market environment. Value investors use fundamental analysis and traditional valuation metrics to find stocks that they believe are being undervalued by the market at large.

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 stock to keep an eye on is Virtu Financial (VIRT Quick QuoteVIRT - Free Report) . VIRT is currently sporting a Zacks Rank of #2 (Buy) and an A for Value. The stock has a Forward P/E ratio of 10.18. This compares to its industry's average Forward P/E of 13.97. Over the last 12 months, VIRT's Forward P/E has been as high as 12.61 and as low as 8.41, with a median of 10.28.

Finally, investors will want to recognize that VIRT has a P/CF ratio of 7.70. 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. VIRT's current P/CF looks attractive when compared to its industry's average P/CF of 14.06. VIRT's P/CF has been as high as 9.71 and as low as 5.51, with a median of 7.54, all within the past year.

These figures are just a handful of the metrics value investors tend to look at, but they help show that Virtu Financial is likely being undervalued right now. Considering this, as well as the strength of its earnings outlook, VIRT feels like a great value stock at the moment.