Reflecting increased purchases of US dollars before the Lunar New Year,partly by note-issuing banks to provide backing for additional banknote issuance,the exchange rate briefly weakened and touched the convertibility rate of 7.75 in mid-February.

• 农历新年前市场买入美元的交易增加，部分由于发钞银行要为新发行纸币提供支持，因此港元汇率一度转弱，在二月中跌至7.；75，即兑换保证适用汇率的水平。