Mainland China led a stampede of foreign investors buying up agency MBS in 2005, according to preliminary data released by the Treasury Department. The Chinese held an estimated $55.89 billion of asset-backed securities issued by government agencies as of the end of June 2005, an increase of 73 percent from the same period in 2004. For the purposes of the Treasury International Capital system, the survey through which the data are collected, government agency ABS… [One data table included]