AT&S shares plummet after it cuts forecast due to coronavirus

VIENNA (Reuters) - Printed circuit boards maker AT&S cut its forecast for the year to March 31 citing the coronavirus and posted a nearly 30% fall in nine-month core profit, sending its shares down 14% on Tuesday.The company produces circuit boards for smartphones and tablets and supplies firms such as Apple and Intel as well as major European auto suppliers. It cut its 2019/20 revenue forecast by around 7% to 960 million euros (814.82 million pounds), saying production in China was..