The People's Bank of China lowered a reserve requirement rate on some yuan trading, the decision came over the weekend:
In that post you'll see commentary that the move will impact, at the margin, to weigh on the yuan. In response, offshore yuan has indeed seen the currency weaken (i.e USD/CNH higher). Early trade:
Its worthwhile checking out a longer time frame chart for the bigger picture context - the move weaker for CNH is small in larger timeframes.
