Investors interested in stocks from the Chemical - Specialty sector have probably already heard of Ashland (ASH) and Novozymes A/S (NVZMY) . 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 is a proven strategy tha ...