Chip specialist AT&S's full-year core profit down 22% on expansion cost

VIENNA (Reuters) - Printed circuit boards maker AT&S said on Thursday that core profit and revenue in its current first quarter were on the previous year's level after posting a 22% decline for the financial year due to investments in its expansion. Earnings before interest, tax, depreciation and amortisation (EBITDA) reached 194.5 million euros ($210 million) on revenue of 1.0 billion euros in the business year through end-March.The company, which produces circuit boards for smartphones..