Tim Culpan, Columnist

Apple's Virus Cut Puts All Eyes on Tech Bellwether

TSMC is ground zero for the tech supply chain, making chips for almost every device on the planet.

An Apple Inc. store in Shanghai last weekend. 

Photographer: Bloomberg
Lock
This article is for subscribers only.

Apple Inc. has thrown out its March-quarter revenue guidance three weeks after providing it.

Despite factoring in possible downside from the China coronavirus outbreak in its original forecast, the iPhone maker realized that things have deteriorated much more than it had anticipated. It gave no new figure and merely said the old one no longer applies, an admission that the company really can’t quantify the impact.