In other news
Britain's private-sector services have grown more than expected last month, suggesting the economic recovery picked up going into the second half of the year.
Chinese stocks have tumbled again, taking the week's losses to more than 10%, as the securities regulator is investigating suspected market manipulation.
A top eurozone share index has been set for its biggest weekly fall this year, with focus on a crucial vote in Greece over its debt negotiations at the weekend.
Asian markets have mostly retreated ahead of the weekend's Greek referendum that could decide its eurozone future, while Shanghai plunged.
European shares have edged down towards their biggest weekly fall in two months, with focus on a crucial vote in Greece over its debt negotiations at the weekend.
The dollar has been under pressure following a mixed US jobs report that has investors questioning the likelihood of a September interest rate hike.
Toyota says that its first female managing officer resigned following her arrest last month on suspicion of illegally importing oxycodone into Japan.
Fears of a messy Greek debt default have overshadowed solid US economic data, pushing Wall Street for a loss in the week that closed out the first half of the year.