The proven Zacks Rank system focuses on earnings estimates and estimate revisions to find winning stocks. Nevertheless, we know that our readers all have their own perspectives, so we are always looking at the latest trends in value, growth, and momentum to find 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 fundamental analysis and traditional valuation metrics to find stocks that they believe are being undervalued by the market at large.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.Albertsons Companies (ACI) is a stock many investors are watching right now. ACI is currently sporting a Zacks Rank of #2 (Buy), as well as an A grade for Value. The stock is trading with a P/E ratio of 12.23, which compares to its industry's average of 22.88. Over the past 52 weeks, ACI's Forward P/E has been as high as 14.98 and as low as 5.35, with a median of 10.29.ACI is also sporting a PEG ratio of 1.53. This popular metric is similar to the widely-known P/E ratio, with the difference being that the PEG ratio also takes into account the company's expected earnings growth rate. ACI's PEG compares to its industry's average PEG of 2.27. Over the past 52 weeks, ACI's PEG has been as high as 1.54 and as low as 0.45, with a median of 0.86.Finally, our model also underscores that ACI has a P/CF ratio of 7.29. This data point considers a firm's operating cash flow and is frequently used to find companies that are undervalued when considering their solid cash outlook. ACI's current P/CF looks attractive when compared to its industry's average P/CF of 13.61. Over the past year, ACI's P/CF has been as high as 8.96 and as low as 2.34, with a median of 5.01.Another great Consumer Products - Staples stock you could consider is ARKO (ARKO), which is a # 2 (Buy) stock with a Value Score of A.Additionally, ARKO has a P/B ratio of 4.38 while its industry's price-to-book ratio sits at 4.73. For ARKO, this valuation metric has been as high as 7.86, as low as 4.17, with a median of 5.43 over the past year.These figures are just a handful of the metrics value investors tend to look at, but they help show that Albertsons Companies and ARKO are likely being undervalued right now. Considering this, as well as the strength of its earnings outlook, ACI and ARKO feels like a great value stock at the moment. Zacks Names "Single Best Pick to Double" From thousands of stocks, 5 Zacks experts each have chosen their favorite to skyrocket +100% or more in months to come. From those 5, Director of Research Sheraz Mian hand-picks one to have the most explosive upside of all. As one investor put it, “curing and preventing hundreds of diseases…what should that market be worth?” This company could rival or surpass other recent Zacks’ Stocks Set to Double like Boston Beer Company which shot up +143.0% in little more than 9 months and NVIDIA which boomed +175.9% in one year.Free: See Our Top Stock and 4 Runners Up >>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 Albertsons Companies, Inc. (ACI): Free Stock Analysis Report ARKO Corp. (ARKO): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research