Here at Zacks, we focus on our proven ranking system, which places an emphasis on earnings estimates and estimate revisions, to find winning stocks. But we also understand that investors develop their own strategies, so we are constantly looking at the latest trends in value, growth, and momentum to find strong companies for our readers.

Of these, perhaps no stock market trend is more popular than value investing, which is a strategy that has proven to be successful in all sorts of market environments. Value investors rely on traditional forms of analysis on key valuation metrics to find stocks that they believe are undervalued, leaving room for profits.

Zacks has developed the innovative Style Scores system to highlight stocks with specific traits. For example, value investors will be interested in stocks with great grades in the "Value" category. When paired with a high Zacks Rank, "A" grades in the Value category are among the strongest value stocks on the market today.

One company value investors might notice is Minerals Technologies (MTX). MTX is currently sporting a Zacks Rank of #2 (Buy) and an A for Value. The stock is trading with P/E ratio of 12.46 right now. For comparison, its industry sports an average P/E of 19.13. MTX's Forward P/E has been as high as 17.55 and as low as 11.42, with a median of 14.72, 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. MTX has a P/S ratio of 1.31. This compares to its industry's average P/S of 2.03.

These are only a few of the key metrics included in Minerals Technologies'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, MTX looks like an impressive value stock at the moment.

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