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, value investing is easily one of the most popular ways to find great stocks in any market environment. Value investors use fundamental analysis and traditional valuation metrics to find stocks that they believe are being undervalued by the market at large.

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 to watch right now is Aisin Seiki Co. Ltd. Unsponsored ADR (ASEKY Quick QuoteASEKY - Free Report) . ASEKY is currently sporting a Zacks Rank of #2 (Buy), as well as an A grade for Value. The stock holds a P/E ratio of 12.34, while its industry has an average P/E of 14.45. Over the last 12 months, ASEKY's Forward P/E has been as high as 14.15 and as low as 7.72, with a median of 9.60.

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 popular metric because sales are harder to manipulate on an income statement, so they are often considered a better performance indicator. ASEKY has a P/S ratio of 0.3. This compares to its industry's average P/S of 0.45.

Value investors will likely look at more than just these metrics, but the above data helps show that Aisin Seiki Co. Ltd. Unsponsored ADR is likely undervalued currently. And when considering the strength of its earnings outlook, ASEKY sticks out at as one of the market's strongest value stocks.