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.Looking at the history of these trends, perhaps none is more beloved than value investing. This strategy simply looks to identify companies that are being undervalued by the broader 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.One company value investors might notice is Matson (MATX). MATX is currently sporting a Zacks Rank of #1 (Strong Buy), as well as a Value grade of A. The stock holds a P/E ratio of 18.72, while its industry has an average P/E of 28.56. MATX's Forward P/E has been as high as 28.13 and as low as 12.74, with a median of 17.39, all within the past year.Another valuation metric that we should highlight is MATX's P/B ratio of 2.04. The P/B ratio is used to compare a stock's market value with its book value, which is defined as total assets minus total liabilities. This stock's P/B looks attractive against its industry's average P/B of 3.94. MATX's P/B has been as high as 2.29 and as low as 1.34, with a median of 1.96, over the past year.Value investors also use the P/S ratio. The P/S ratio is is calculated as price divided by sales. This is a popular metric because sales are harder to manipulate on an income statement, so they are often considered a better performance indicator. MATX has a P/S ratio of 0.78. This compares to its industry's average P/S of 0.88.Finally, investors will want to recognize that MATX has a P/CF ratio of 5.70. This metric takes into account a company's operating cash flow and can be used to find stocks that are undervalued based on their solid cash outlook. MATX's P/CF compares to its industry's average P/CF of 20.68. Over the past 52 weeks, MATX's P/CF has been as high as 9.71 and as low as 4.04, with a median of 5.98.Value investors will likely look at more than just these metrics, but the above data helps show that Matson is likely undervalued currently. And when considering the strength of its earnings outlook, MATX 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 Matson, Inc. (MATX): Free Stock Analysis Report To read this article on Zacks.com click here.