Investors interested in Wireless Non-US stocks are likely familiar with KT Corp. (KT) and TIM S.A. Sponsored ADR (TIMB) . But which of these two stocks presents investors with the better value opportunity right now? Let's take a closer look.There are plenty of strategies for discovering value stocks, but we have found that pairing a strong Zacks Rank with an impressive grade in the Value category of our Style Scores system produces the best returns. The Zacks Rank favors stocks with strong earnings estimate ...