The PBOC allows the yuan to fluctuate within a +/- 2% range, around this reference rate.PBOC injects 269bn yuan via 7-day reverse repos at 1.4% in open market operations today.-Earlier, PBOC trimming some support for the yuan:PBOC cuts FX risk reserve ratio to 0%, slowing yuan appreciation This article was written by Eamonn Sheridan at investinglive.com.