In a note to clients — as reported by “AppleInsider” ( — Deutsche Bank analyst Chris Whitmore says this weekend’s launch of the iPhone 5 will push Apple stock to US$850.

He thinks the company will sell five to eight million units of the smartphone this weekend. Whitmore has upped his iPhone estimates for calendar 2012 from a previous prediction of 133 million to a new projection of 138 million. For calendar year 2013 he’s raised his forecast from 170 million to 180 million in iPhone sales.