Tech firms lead Asian markets rally as Seoul, Tokyo hit records

Investors built on a broadly healthy week in the region as they piled onto the artificial intelligence bandwagon amid a shift from New York, where there is growing concern about elevated valuations as well as US political and economic uncertainty. They are also keeping an eye on President Donald Trump's State of the Union address, which comes after his tariff policy was dealt a body blow by the Supreme Court on Friday and as he considers strikes on Iran. Wall Street's tech titans including Magnificent...