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.

Considering these trends, value investing is clearly one of the most preferred ways to find strong stocks in any type of market. Value investors rely on traditional forms of analysis on key valuation metrics to find stocks that they believe are undervalued, leaving room for profits.

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.

Brink's (BCO Quick QuoteBCO - Free Report) is a stock many investors are watching right now. BCO is currently sporting a Zacks Rank #1 (Strong Buy), as well as an A grade for Value. The stock is trading with a P/E ratio of 12.38, which compares to its industry's average of 14.88. BCO's Forward P/E has been as high as 14.25 and as low as 10.42, with a median of 11.81, all within the past year.

Finally, we should also recognize that BCO has a P/CF ratio of 10.32. This data point considers a firm's operating cash flow and is frequently used to find companies that are undervalued when considering their solid cash outlook. BCO's current P/CF looks attractive when compared to its industry's average P/CF of 13.14. Over the past year, BCO's P/CF has been as high as 12.59 and as low as 7.81, with a median of 9.29.

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