Investors interested in Medical - Instruments stocks are likely familiar with Teleflex (TFX) and Edwards Lifesciences (EW) . But which of these two stocks offers value investors a better bang for their buck right now? We'll need to take a closer look.We have found that the best way to discover great value opportunities is to pair a strong Zacks Rank with a great grade in the Value category of our Style Scores system. The Zacks Rank favors stocks with strong earnings estimate revision trends, and our Style S ...