...+ We recently revised the rating outlook on CIMIC's immediate Germany-based parent Hochtief AG and its ultimate Spain-based parent ACS to stable from negative, after ACS and competitor Atlantia agreed to jointly acquire Spanish toll-road operator Abertis. + 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 stable from negative, in line with our outlook revision 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) May 16, 2018--S&P Global Ratings said today that it had revised the outlook to stable from negative on CIMIC Group Ltd., an Australian engineering and construction (E&C) company. At the same time, we affirmed the long- and short-term issuer credit ratings of '###/A-2' on the company. We revised the outlook to stable on CIMIC following the same action on the company's Germany-based parent, Hochtief...