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.

Of these, value investing is easily one of the most popular ways to find great stocks in any market environment. Value investors use a variety of methods, including tried-and-true valuation metrics, to find these stocks.

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 Yankuang Energy Group Company Limited Sponsored ADR (YZCAY Quick QuoteYZCAY - Free Report) . YZCAY is currently sporting a Zacks Rank #2 (Buy), as well as a Value grade of A. The stock holds a P/E ratio of 9, while its industry has an average P/E of 13.13. YZCAY's Forward P/E has been as high as 9.00 and as low as 3.77, with a median of 4.99, all within the past year.

We should also highlight that YZCAY has a P/B ratio of 0.68. Investors use the P/B ratio to look at a stock's market value versus its book value, which is defined as total assets minus total liabilities. This company's current P/B looks solid when compared to its industry's average P/B of 1.61. Over the past year, YZCAY's P/B has been as high as 0.82 and as low as 0.48, with a median of 0.59.

Value investors will likely look at more than just these metrics, but the above data helps show that Yankuang Energy Group Company Limited Sponsored ADR is likely undervalued currently. And when considering the strength of its earnings outlook, YZCAY sticks out as one of the market's strongest value stocks.