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.Of these, value investing is easily one of the most popular ways to find great stocks in any market environment. Value investors use tried-and-true metrics and fundamental analysis to find companies that they believe are undervalued at their current share price levels.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 value investors might notice is First American Financial (FAF). FAF is currently sporting a Zacks Rank of #2 (Buy), as well as a Value grade of A. The stock is trading with P/E ratio of 10.23 right now. For comparison, its industry sports an average P/E of 23.72. FAF's Forward P/E has been as high as 14.63 and as low as 8.57, with a median of 10.86, all within the past year.Value investors also frequently use the P/S ratio. This metric is found by dividing a stock's price with the company's revenue. This is a prefered metric because revenue can't really be manipulated, so sales are often a truer performance indicator. FAF has a P/S ratio of 0.94. This compares to its industry's average P/S of 1.Value investors will likely look at more than just these metrics, but the above data helps show that First American Financial is likely undervalued currently. And when considering the strength of its earnings outlook, FAF sticks out at as one of the market's strongest value stocks.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 First American Financial Corporation (FAF): Get Free Report To read this article on Zacks.com click here.