China stocks snapped a five-day winning streak on Friday after Beijing unexpectedly raised short-term interest rates on the first trading day after the Lunar New Year holiday, in a further sign it has moved to a tightening policy bias. The blue-chip CSI300 index ended down 0.7 percent at 3,365.12 points, while the Shanghai Composite Index lost 0.6 percent to 3,140.65.