...+ We recently placed the '###/A-2' ratings on CIMIC's immediate Germany-based parent HOCHTIEF AG and its ultimate Spain-based parent ACS on negative outlook. + We continue to consider CIMIC to be a core subsidiary of Hochtief and ACS. + As a result, we are revising the outlook on CIMIC to negative from stable, in line with our outlook change on Hochtief and ACS. + At the same time, we are affirming the long-term and short-term issuer credit ratings on CIMIC at '###/A-2'. MELBOURNE (S&P Global Ratings) Oct. 24, 2017--S&P Global Ratings said today that it had revised the outlook to negative from stable on CIMIC Group Ltd., an Australian engineering and construction (E&C) company. At the same time, we affirmed the long- and short-term corporate credit ratings of '###/A-2' on the company. We revised the outlook to negative on CIMIC following the same action on the company's Germany-based parent, HOCHTIEF AG, because CIMIC remains a core subsidiary of the parent group. We continue to assess...