U.S.. stock futures are little changed as investors await key monthly jobs data due before the opening bell. The economy's expected to have added 110,000 jobs last month with the unemployment rate inching up to 4.3%, according to economists' mean estimate in a Dow Jones poll. That compares with May's 139,000 new jobs and 4.2% jobless rate.

Dow Futures hold steady ahead of key U.S. jobs data, as global markets remain cautious and ADP reports surprise job losses.