The dollar touched a fresh 20-year high on Monday, fuelled by hawkish comments by Federal Reserve Chair Jerome Powell, but was kept in check by the euro, which was supported by growing expectations for European Central Bank (ECB) rate hikes.The dollar index, which measures the currency’s value against a basket of peers, scaled a fresh two-decade peak of 109.48 before retreating. The greenback was up 0.73% against Japan’s yen, while Britain’s pound notched a fresh 2-1/2 year low in thin trading, with the UK on a public holiday. Powell told the Jackson Hole central banking conference in Wyoming on Friday …
