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 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.Companhia Brasileira de Distribuicao (CBD) is a stock many investors are watching right now. CBD is currently sporting a Zacks Rank of #2 (Buy) and an A for Value. The stock is trading with P/E ratio of 15.25 right now. For comparison, its industry sports an average P/E of 19.04. Over the last 12 months, CBD's Forward P/E has been as high as 29.28 and as low as 3.35, with a median of 11.93.Value investors also frequently use the P/S ratio. This metric is found by dividing a stock's price with the company's revenue. Some people prefer this metric because sales are harder to manipulate on an income statement. This means it could be a truer performance indicator. CBD has a P/S ratio of 0.11. This compares to its industry's average P/S of 0.28.Another great Retail - Supermarkets stock you could consider is The Kroger Co. (KR), which is a # 2 (Buy) stock with a Value Score of A.Shares of The Kroger Co. currently holds a Forward P/E ratio of 10.86, and its PEG ratio is 0.93. In comparison, its industry sports average P/E and PEG ratios of 19.04 and 2.81.KR's price-to-earnings ratio has been as high as 16.61 and as low as 10.86, with a median of 12.93, while its PEG ratio has been as high as 1.98 and as low as 0.93, with a median of 1.42, all within the past year.The Kroger Co. sports a P/B ratio of 3.33 as well; this compares to its industry's price-to-book ratio of 3.49. In the past 52 weeks, KR's P/B has been as high as 4.81, as low as 3.11, with a median of 3.61.Value investors will likely look at more than just these metrics, but the above data helps show that Companhia Brasileira de Distribuicao and The Kroger Co. are likely undervalued currently. And when considering the strength of its earnings outlook, CBD and KR sticks out as one of the market's strongest value stocks. Just Released: Zacks Unveils the Top 5 EV Stocks for 2022 For several months now, electric vehicles have been disrupting the $82 billion automotive industry. And that disruption is only getting bigger thanks to sky-high gas prices. Even titans in the financial industry including George Soros, Jeff Bezos, and Ray Dalio have invested in this unstoppable wave. You don't want to be sitting on your hands while EV stocks break out and climb to new highs. In a new free report, Zacks is revealing the top 5 EV stocks for investors. Next year, don't look back on today wishing you had taken advantage of this opportunity.>>Send me my free report revealing the top 5 EV stocksWant 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 Companhia Brasileira de Distribuicao (CBD): Free Stock Analysis Report The Kroger Co. (KR): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research