MILAN, July 18 (Reuters) - Shares in GTECH opened down 1.6 percent on Friday after Standard & Poor's cut the rating for the Italian lottery operator to "BBB-" from "BBB" following the firm's acquisition of U.S. slot machine maker International Game Technology for $4.7 billion.
Moody's also put the Italian company on review for a downgrade after the deal, which was announced earlier in the week.
At 0708 GMT, GTECH shares were down 0.58 percent at 18.79 euros, in line with Milan blue-chip index, which fell 0.45 percent. They earlier hit a low of 18.59 euros.
(Reporting by Francesca Landini; editing by Agnieszka Flak)