Chipmaker AT&S cautiously optimistic thanks to stable first quarter

VIENNA (Reuters) - Chipmaker AT&S has kept core profit stable so far in its financial first quarter, it said on Thursday after reporting a 22% decline for the full year on investment to expand the businesss. The company, which produces circuit boards for smartphones and tablets and supplies the likes of Apple , Intel and European auto suppliers, said that new products in its mobile devices unit could be delayed by coronavirus-related economic uncertainty but demand remains strong for..