Questions over why our largest bank has hiked its floating home loan rate. 

ANZ's lifted its rate 10 basis points to 5.79%. 

It says the move, which brings ANZ in line with most other banks, reflects changing global and local conditions. 

But Squirrel Mortgage Brokers Chief Executive David Cunningham told Mike Hosking it's raising interest rates because it can. 

He says its floating rate is much higher than its one-year fixed rate. 

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