Japan's Nikkei vaulted to a new high for a second day before falling over 1 per cent, with markets in Taiwan and South Korea also hitting new highs and then turning lower. SYDNEY: Asian shares retreated from record highs on Thursday (Apr 23) as investors took some money off the table from a technology-driven rally, while oil prices rose for a fourth straight day as a fragile ceasefire in the Middle East hung in the balance. Overnight, the S&P 500 climbed 1 per cent and the Nasdaq jumped 1.6 per