Despite an improved credit outlook for Wynn Resorts Ltd., its shares and those of competitor Las Vegas Sands Corp. fell Monday after the government of Macau said it's reviewing growth of the casino industry and that the six gaming operators there agree it "shouldn’t expand infinitely." Local reports said the Chinese gambling enclave is considering imposing limits on table numbers, removing gaming operations from residential areas and raising the age limit for entering casinos from 18 to 21.