Monday 21 September 2015 6:55 am One chart showing why iPhone 6s sales might not live up to the 6 By: Lynsey Barber Share Facebook Share on Facebook X Share on Twitter LinkedIn Share on LinkedIn WhatsApp Share on WhatsApp Email Share on Email NULL News Updates Stay ahead with our three daily briefings delivering all the key market moves, top business and political stories, and incisive analysis straight to your inbox.