iQtSu_r4h4MAChina’s yuan tumbled the most in more than three years on speculation the central bank wants an end to the currency’s steady appreciation to ward off speculators before a possible widening of the trading band. The yuan fell 0.46 percent, the most since Nov. 1, 2010, to close at 6.1266 per dollar in Shanghai, according to China Foreign Exchange Trade System prices. It slid for a sixth day and reached a six-month low of 6.1310. The spot rate ended the day weaker than the central bank’s reference rate for the first time since September 2012, having been 0.77 percent stronger on average so far this year. It can diverge by a maximum 1 percent from the fixing, which was set at 6.1184 today. The yuan has strengthened in all but three quarters since a dollar peg ended in July 2005 and its 35 percent advance against the greenback in that time is the best performance among 24 emerging-market currencies tracked by Bloomberg. Two-way capital flows will become the “new norm” for China and the exchange rate is likely to be more volatile as U.S. monetary stimulus is reined in, State Administration of Foreign Exchange said today in areport. More