当周涨跌（%）    上周涨跌（%）    双周涨跌（%）    本月涨跌（%）

焦炭        -6.99            11.80            4.80             3.98

PTA         -5.82            2.37             -3.45            -3.59

PVC         -5.65            0.07             -5.58            -5.58

甲醇        -4.07            8.18             4.11             3.78

动力煤      -3.24            4.58             1.34             1.19

沥青        -3.24            1.40             -1.84            -1.89

锌          -3.11            4.27             1.16             1.03

聚丙烯      -3.03            4.44             1.41             1.27

橡胶        -2.36            -0.44            -2.80            -2.79

镍          -1.96            0.92             -1.04            -1.06

热轧卷板    -1.81            1.60             -0.20            -0.23