Asian markets slump on US-China trade war worries; Japan’s Nikkei cracks over 5%, Hang Seng set for lower open

Japan’s Nikkei 225 plunged 5.46%, while the Topix tanked 5.05%. South Korea’s Kospi declined 1.55% and the Kosdaq dropped 0.11%. Hong Kong’s Hang Seng index futures indicated a lower opening.

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