SAN FRANCISCO (AP) — Apple's faithful fans and investors won't have to wait much longer to see what the iPhone maker has in store next.

The company sent out invitations Thursday to set Sept. 12 as the date for an annual post-Labor Day showcase.

As usual, the famously secretive Apple didn't say what's on tap, but this is typically when the company unveils new iPhones.

Much of the anticipation is swirling around whether Apple will show off a dramatically different type of iPhone with a sleeker and even bigger screen to celebrate the device's 10th anniversary. Even if a fancier version is unveile...