In other news
US President Barack Obama has announced a proposal that would make nearly 5 million more workers eligible for overtime pay
The euro has eased in Asian trade, hours before a debt repayment deadline that Greece is expected to miss, fanning fears it will crash out of the eurozone.
US stocks have tumbled, joining global equity markets in retreat on the looming threat of a Greek debt default.
Most Asian markets have edged higher, enjoying a slight recovery after the previous day's rout, with Greece just hours away from default.
Oil prices have extended losses in Asia on expectations Greece will miss a key debt repayment later in the day and edge closer to a eurozone exit, say analysts.
Putco will not be renewing three of its contracts with the Gauteng department of transport in parts of Tshwane, Ekurhuleni and Sedibeng municipalities.
Israeli Prime Minister Benjamin Netanyahu is facing his first major coalition crisis since his re-election, with ministers withholding support for plans to develop Israel's natural gas fields.
Steinhoff International says a planned stockmarket listing in Frankfurt will probably take place in the fourth quarter of this year, subject to regulatory approvals.