Global markets today, Aug. 7 -- Asian markets showed a mixed trend after U.S. President Donald Trump announced plans to impose a 100 per cent tariff on semiconductor and chip imports, with an exemption for companies manufacturing within the United States.

However, the criteria for how much production must occur in the U.S. to qualify for the exemption were not immediately specified.

"We're going to be putting a very large tariff on chips and semiconductors," he said, speaking in the Oval Office on Wednesday afternoon.

Japan's Nikkei 225 remained largely unchanged, while the broader Topix index edged up by 0.19 per cent.

In South Korea, the Kospi slipped 0.12 per cent, and the Kosdaq held steady with no change. Meanwhile, Australia's S...