Asia stock markets trade mixed on Wednesday, amid a modest drop in U.S. futures after U.S. President Trump escalated his global trade war by threatening a 50% tariff on copper and signaling upcoming levies on semiconductors and pharmaceuticals.

The dollar traded close to a 2-1/2-week high versus major peers on Wednesday while copper hit an all-time peak overnight after U.S. President Donald Trump broadened his global trade war by threatening a 50% tariff on the metal.

Shares were mixed in Asia on Wednesday, following a choppy trading day on Wall Street as the Trump administration pressed its campaign to win more favorable trade deals with nations around the globe