Investors interested in stocks from the Industrial Services sector have probably already heard of Siemens AG (SIEGY) and Ashtead Group PLC (ASHTY) . But which of these two stocks is more attractive to value investors? We'll need to take a closer look to find out. 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, an ...