7月28日电，央行今日开展4958亿元7天逆回购操作，投标量4958亿元，中标量4958亿元，操作利率为1.40%，与此前持平。

Group 1 - The central bank conducted a 7-day reverse repurchase operation amounting to 495.8 billion yuan, with the same amount being bid and awarded [1] - The operation interest rate remains unchanged at 1.40%, consistent with previous rates [1]