The PBOC allows the yuan to fluctuate within a +/- 2% range, around this reference rate. More here on this.prior close 6.7910Injects 20bn yuan via 7-day reverse repos in open market operates today. Unchanged rate of 1.4% This article was written by fl6553e4b45d84486a91658a8b3f02bf22 at investinglive.com.