Renminbi weakens for sixth day

Economists say the central bank wants to lower expectations for further gains

The yuan slid for a sixth day on Tuesday, sparking speculation that the central bank aims to end the nearly decade-long trend of steady appreciation.

The yuan closed at 6.1266 against the dollar on Tuesday, down 0.46 percent overnight, the largest decline since Nov 1, 2010, according to the China Foreign Exchange Trade System.