Shares in Domino’s Pizza fell hard in early trade.
At the close, they were down 9.1% to $48.92.
The was no official announcement to explain the fall.
In the half year results announced in February, the company posted a 17% lift in half year profit to $58.7 million.
In Australia and New Zealand, sales increased 7.1% or $36.8 million to $557.8 million for the six months.
Domino’s ANZ CEO Nick Knight described the result as slightly softer than anticipated.
The company updated same store sales guidance for Australia and New Zealand to between 6% and 8%, down from 7% to 9%.
The company, last year hit by a scandal over wage underpayment, launched a wage audit across its stores and franchisees.
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