...+ U.S.-based steel processor and recycler Commercial Metals Co. has announced that it has agreed to acquire certain North American steel assets from Gerdau S.A. for approximately $600 million. + As a result, we are placing all of our ratings on Commercial Metals, including the '##+' corporate credit rating, on CreditWatch with negative implications, given our expectation that the company will use debt to finance a portion of the transaction, resulting in higher debt leverage. + The CreditWatch negative placement indicates that we could lower or affirm the ratings after our review of the transaction. + We will resolve the CreditWatch after assessing the company's pro forma capital structure and credit measures. NEW YORK (S&P Global Ratings) Jan. 2, 2018--S&P Global Ratings today placed its ratings on Irving, Texas-based Commercial Metals Co., including its '##+' corporate credit rating and issue-level ratings, on CreditWatch with negative implications. The CreditWatch placement follows the...