China’s central bank has set the yuan’s daily reference rate against the US dollar at its strongest level in more than three years, as global banks turn increasingly bullish on the Chinese currency.The People’s Bank of China set the yuan’s midpoint rate, also known as the daily fixing rate, at 6.8349 to the US dollar on Thursday – the strongest showing since February 2023.The move followed a 0.22 per cent appreciation in the offshore yuan on Wednesday, after bouts of volatility over the past...