Here at Zacks, our focus is on the proven Zacks Rank system, which emphasizes earnings estimates and estimate revisions to find great stocks. Nevertheless, we are always paying attention to the latest value, growth, and momentum trends to underscore 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 tried-and-true metrics and fundamental analysis to find companies that they believe are undervalued at their current share price levels.Luckily, Zacks has developed its own Style Scores system in an effort to find stocks with specific traits. Value investors will be interested in the system's "Value" category. Stocks with both "A" grades in the Value category and high Zacks Ranks are among the strongest value stocks on the market right now.One company value investors might notice is FNF Group (FNF). FNF is currently sporting a Zacks Rank of #2 (Buy) and an A for Value. The stock holds a P/E ratio of 8.55, while its industry has an average P/E of 24.69. FNF's Forward P/E has been as high as 14.93 and as low as 6.29, with a median of 9.92, all within the past year.Investors will also notice that FNF has a PEG ratio of 1.35. This metric is used similarly to the famous P/E ratio, but the PEG ratio also takes into account the stock's expected earnings growth rate. FNF's industry has an average PEG of 3.41 right now.These are only a few of the key metrics included in FNF Group'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, FNF looks like an impressive value stock at the moment.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Fidelity National Financial, Inc. (FNF): Free Stock Analysis Report To read this article on Zacks.com click here.