Index Rebalance

CSI 100 Index Earning Revision (May): CHINA STATE CONSTRUCTION ENGINEERING, TONGWEI, SERES, CSSC

31 May 2026 By Ke Yan, CFA
← All Research ReportsMore Index Rebalance coverage →

Abstract: We analyzed the earnings revisions of CSI 100 component stocks for May 2026, estimating the index's 2026E EPS fell to 267.5 from 270.7 in April, a decline of 1.2% month on month, while the index itself rose 1.4% from 4,737 to 4,802. Individual stock EPS revisions contributed -¥3.29 to the index EPS change, with 37 stocks revised up and 45 revised down. The largest drag on index EPS came from China Vanke (ΔIndex EPS=-¥0.80), China State Construction Engineering (ΔIndex EPS=-¥0.48), Seres (ΔIndex EPS=-¥0.47), and Tongwei (ΔIndex EPS=-¥0.44), while CSSC was the top positive contributor (ΔIndex EPS=+¥0.56). At the stock level, the sharpest EPS upgrades were in Tongwei (+458% MoM) and Chongqing Zhifei Biological Products (+52.5%), while the steepest cuts were in Poly Developments and Holdings (-43.6%), China Merchants Shekou (-36.3%), and Seres (-30.7%).

CHINA STATE CONSTRUCTION ENGINEERING (601668 CH) CHINA MERCHANTS SHEKOU INDUSTRIAL ZONE (001979 CH) CHONGQING ZHIFEI BIOLOGICAL PRODUCTS (300122 CH) TONGWEI (600438 CH) ZHANGZHOU PIENTZEHUANG PHARMACEUTICAL (600436 CH) SERES (601127 CH)

Highlighted Stocks

CHINA STATE CONSTRUCTION ENGINEERING, CHINA MERCHANTS SHEKOU INDUSTRIAL ZONE, CHONGQING ZHIFEI BIOLOGICAL PRODUCTS, TONGWEI, ZHANGZHOU PIENTZEHUANG PHARMACEUTICAL, SERES

Interested in the full report? Get in touch with our team.