The purchase of ING's Asian equities business by Macquarie Bank has been given the thumbs-up by Moody's, the ratings agency, as it today confirms Macquarie's rating as A2 for long-term deposits and senior debt. The size of the deal will mean significant integration challenges, notes Moody's, but the strong control environment at Macquarie and the low risk profile of ING's business means Moody's has given a stable ratings outlook for the Sydney-based bank