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 fundamental analysis and traditional valuation metrics to find stocks that they believe are being undervalued by the market at large.

In addition to the Zacks Rank, investors looking for stocks with specific traits can utilize our Style Scores system. Of course, value investors will be most interested in the system's "Value" category. Stocks with "A" grades for Value and high Zacks Ranks are among the best value stocks available at any given moment.

One stock to keep an eye on is Assurant (AIZ Quick QuoteAIZ - Free Report) . AIZ is currently holding a Zacks Rank #2 (Buy) and a Value grade of A.

Investors should also recognize that AIZ has a P/B ratio of 1.94. 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 2.63. AIZ's P/B has been as high as 2.25 and as low as 1.71, with a median of 1.98, 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. Some people prefer this metric because sales are harder to manipulate on an income statement. This means it could be a truer performance indicator. AIZ has a P/S ratio of 0.98. This compares to its industry's average P/S of 1.01.

These figures are just a handful of the metrics value investors tend to look at, but they help show that Assurant is likely being undervalued right now. Considering this, as well as the strength of its earnings outlook, AIZ feels like a great value stock at the moment.