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 rely on traditional forms of analysis on key valuation metrics to find stocks that they believe are undervalued, leaving room for profits.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.TT Electronics PLC (TTGPF) is a stock many investors are watching right now. TTGPF is currently sporting a Zacks Rank of #2 (Buy), as well as a Value grade of A. The stock is trading with a P/E ratio of 12.37, which compares to its industry's average of 20.97. Over the past year, TTGPF's Forward P/E has been as high as 13.22 and as low as 10.47, with a median of 11.23.TTGPF is also sporting a PEG ratio of 1.12. This figure is similar to the commonly-used P/E ratio, with the PEG ratio also factoring in a company's expected earnings growth rate. TTGPF's industry has an average PEG of 1.74 right now. Within the past year, TTGPF's PEG has been as high as 1.32 and as low as 1.05, with a median of 1.11.These are only a few of the key metrics included in TT Electronics PLC's strong Value grade, but they help show that the stock is likely undervalued right now. When factoring in the strength of its earnings outlook, TTGPF looks like an impressive value stock at the moment.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report TT Electronics PLC (TTGPF): Free Stock Analysis Report To read this article on Zacks.com click here.