While the proven Zacks Rank places an emphasis on earnings estimates and estimate revisions to find strong stocks, we also know that investors tend to develop their own individual strategies. With this in mind, we are always looking at value, growth, and momentum trends to discover great companies.

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 tried-and-true metrics and fundamental analysis to find companies that they believe are undervalued at their current share price levels.

Luckily, Zacks has developed its own Style Scores system in an effort to find stocks with specific traits. Value investors will be interested in the system's "Value" category. Stocks with both "A" grades in the Value category and high Zacks Ranks are among the strongest value stocks on the market right now.

One company value investors might notice is BorgWarner (BWA). BWA is currently holding a Zacks Rank of #2 (Buy) and a Value grade of A. The stock holds a P/E ratio of 7.54, while its industry has an average P/E of 14.34. Over the past 52 weeks, BWA's Forward P/E has been as high as 9.60 and as low as 6.99, with a median of 7.84.

We also note that BWA holds a PEG ratio of 0.66. This metric is used similarly to the famous P/E ratio, but the PEG ratio also takes into account the stock's expected earnings growth rate. BWA's PEG compares to its industry's average PEG of 0.87. BWA's PEG has been as high as 1.21 and as low as 0.64, with a median of 0.87, all within the past year.

Another notable valuation metric for BWA is its P/B ratio of 1.20. The P/B is a method of comparing a stock's market value to its book value, which is defined as total assets minus total liabilities. BWA's current P/B looks attractive when compared to its industry's average P/B of 1.83. BWA's P/B has been as high as 1.42 and as low as 1.13, with a median of 1.24, over the past year.

Value investors also love the P/S ratio, which is calculated by simply dividing a stock's price with the company's sales. This is a prefered metric because revenue can't really be manipulated, so sales are often a truer performance indicator. BWA has a P/S ratio of 0.53. This compares to its industry's average P/S of 0.69.

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

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