The stock markets in Asia and the US have risen.
Friday's mini-budget caused financial market turmoil and caused the pound to plunge.
Some government bonds slid in value due to investors demanding higher returns.
The new UK trade secretary defended the government's economic policies.
Hong Kong's benchmark Hang Seng index was 1.3% higher, while Australia's ASX 200 and South Korea's Kospi were both up.
New York's main stock index ended Wednesday's trading day 2% higher after six days of losses.
After making gains on the Bank of England's bond-buying announcement, the pound was lower in morning Asia trade.
The currency fell to a record low on Monday after the chancellor unveiled plans to cut taxes in a bid to boost economic growth.
The Bank's pledge to buy bonds at an "urgent pace" helped calm the market, according to analysts.
Market optimism has been supported by the Bank of England's intervention.
She said that it reversed a previous view of the UK going into a hard landing and overspending.
The move had provided some much-needed relief to recent market jitters.
The UK's international trade secretary used her first visit to the US since taking the job to try to shore up investor confidence.
The Bank of England is taking short-term measures to provide stability.
The UK economy is strong and we have a plan to cut taxes, promote enterprise, and cut red tape for businesses, she said.
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