Asian markets rose Thursday, tracking a record day on Wall Street where traders endured a rollercoaster fuelled by fears Donald Trump was considering sacking the head of the US Federal Reserve.

Investors have walked a cautious line this week as they ascertain the trade outlook after the US president unveiled a flurry of fresh tariff threats, with the latest being letters to scores of countries notifying them of levies of up to 15 percent.

Meanwhile, Tokyo-listed shares in the Japanese owner of 7-Eleven plunged after its Canadian rival pulled out of an almost $50 billion takeover bid, ending a long-running battle over the convenience store giant.

All three main indexes in New York ended in the green on Wednesday, with the Nasdaq at another record, following a brief sell-off that came after it emerged Trump had raised the idea of firing Fed boss Jerome Powell in a closed-door session with lawmakers.

The markets soon bounced back after Trump denied he was planning to do so, saying: "I don't rule out anything, but I think it's highly unlikely."

The news caused a spike in US Treasury........

© International Business Times