Investors looking for stocks in the Chemical - Specialty sector might want to consider either Ashland (ASH) or Novozymes A/S (NVZMY) . 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.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 proven Zacks Rank emphasizes compa ...