The PBOC allows the yuan to fluctuate within a +/- 2% range, around this reference rate. More here. PBOC says it injected 1 bn yuan in 7-day reverse repos in Open Market Operations today. Rate remains 1.4%.134bn of 7-day reverse repos maturedNet withdrawal of 133bn.For the week in total:injected CNY176.5bn of 7-day reverse repos, 300bn of overnight reverse repos and 500bn of buyout-style reverse repos116.5bn of 7-day and 900bn of overnight reverse repos maturedthus a net withdrawal of 1,225.5bn for the week This article was written by Eamonn Sheridan at investinglive.com.