After a quiet period in April, ANZ returns to the domestic market with a A$1.5 billion (US$ 1.54 billion) transaction, its first public AUD senior unsecured benchmark since October 2011. Though 80 per cent of ANZ funding was completed in the first half of its 2011/12 financial year, the bank says strong investor enquiry encouraged the deal after the bank's first half result posted on May 2.