According to the news, which statement is TRUE?

Chinese share prices closed slightly higher on the first trading day of 2008 amid concern about tightening policies.
   The benchmark Shanghai Composite Index, which covers both A and B shares, was up 11.25 points or 0.21 percent, to close at 5,272.8 points. The Shenzhen Composite Index on the smaller market climbed 155.53 points, or 0.88 percent, to stand at 17,856 points. Analysts from Huiyang Investment said investors were cautious about the possible negative impact of macroeconomic and financial policies. Central bank governor Zhou Xiao chuan reiterated in his New Year speech that monetary policy will be tighter and will also play a bigger role in macroeconomic control.