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 company to watch right now is United Natural Foods (UNFI Quick QuoteUNFI - Free Report) . UNFI is currently holding a Zacks Rank #1 (Strong Buy) and a Value grade of A.

Another valuation metric that we should highlight is UNFI's P/B ratio of 1.11. The P/B ratio pits a stock's market value against 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 1.82. Over the past year, UNFI's P/B has been as high as 1.27 and as low as 0.56, with a median of 0.99.

These are just a handful of the figures considered in United Natural Foods's great Value grade. Still, they help show that the stock is likely being undervalued at the moment. Add this to the strength of its earnings outlook, and we can clearly see that UNFI is an impressive value stock right now.