The new handset was unveiled by CEO Tim Cook in San Francisco, along with updated versions of the iPod Nano and iPod Touch.
Copyright: Apple
Shares were up slightly following the start of the announcement, reaching $668 (£414) half an hour into the event. However, a fall then saw prices drop to $657 (£408) at the close of the event.Apple shares were priced at $669 (£415) each by the time trading closed on Wednesday.
The Apple iPhone 5's key features include a larger 4-inch Retina display, ultrafast wireless technology, a faster processor, improved battery life and a redesigned connector dubbed 'Lightning'.
It will go on sale on Friday, September 21.
A revised version of iTunes was also showcased at Apple's event, along with new operating system iOS 6, which will launch for compatible devices on September 19.

















