(Xinhua/KPL) - China's central bank conducted 241.6 billion yuan (about 33.88 billion U.S. dollars) of seven-day reverse repos at an interest rate of 1.5 percent Monday.The move aims to keep liquidity reasonable and ample in the banking system at the end of the month, the central bank said.A reverse repo is a process in which the central bank purchases securities from commercial banks through bidding, with an agreement to sell them back in the future.Source: Lao News Agency