Yen spikes to 18-mth peak, Amazon softens Apple blow

SYDNEY/SINGAPORE (Reuters) - The yen surged to an 18-month peak on Friday as investors wagered the Bank of Japan might be done adding fresh stimulus to the economy, hurting prospects for Japanese exporters with a move that rippled through share markets across the Asian region. Perhaps taking advantage of Japan's absence for a holiday, speculators smashed through the yen's previous top at 107.63 per dollar earlier this month and drove the currency as high as 107.075. It had been at 111.67 before