Earlier Wednesday, investment bank BMO Capital Markets reduced its rating on Apple shares to "market perform" from "outperform" and cut its price target to $162 each, citing concern that average selling prices for the group's mobile devices to plateau alongside the broader mobile phone market. The bank also lowered its first quarter unit sales estimate to 55 million and said that, with only around 30% of iPhones priced above the $900 mark, future quarterly estimates could be guided lower.