The sse composite index opened in the afternoon at 3377.15 points, down 0.05%; the csi 300 index opened in the afternoon at 3943.92 points, down 0.20%; the shenzhen component index opened in the afternoon at 10670.24 points, down 0.40%; the chinext price index opened in the afternoon at 2230.30 points, down 0.68%; the sme opened in the afternoon at 11461.35 points, down 0.41%.