Hon Hai Precision - also known also as Foxconn - cut its 2020 revenue outlook after deciding to impose strict quarantines at its main iPhone-making base, a measure to guard against the coronavirus outbreak that may hurt Apple.

Apple has asked its largest suppliers to consider the costs of shifting 15% to 30% of its output from China to south-east Asia in a dramatic shake-up of its production chain, Japan’s Nikkei newspaper has reported.