Quantitative Research

CSI 300 Index Earning Revision (May): Xinjiang Daqo, TONGWEI, SERES, CHINA VANKE, Wuliangye, CSSC

31 May 2026 By Ke Yan, CFA, FRM
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Abstract: We analyzed earnings revisions for CSI 300 component stocks in May 2026. The index rose 1.8% from 4,807 to 4,892, while the 2026E consensus EPS fell 1.5% month on month to 311.4 from 316.0, with 155 stocks revised down versus 80 revised up. Individual stock EPS revisions contributed -4.75 to the index EPS change. The largest negative contributors were CHINA VANKE (-0.49 to index EPS, stock EPS -29.6%), Wuliangye (-0.48, EPS -20.5%), BANK OF BEIJING (-0.33, EPS -10.6%), and SERES (-0.29, EPS -30.7%), while CSSC (+0.34, EPS +19.0%) and ZIJIN MINING (+0.21, EPS +2.3%) were the top positive contributors. Among individual EPS revisions, YONYOU NETWORK TECHNOLOGY led gains at +1,745%, followed by TONGWEI (+458%) and Xinjiang Daqo (+327%), while NEW HOPE LIUHE (-73.9%), MAXSCEND MICROELECTRONICS (-54.6%), and SERES (-30.7%) saw the steepest cuts. On revenue, CAMBRICON (+25.2%) and TONGLING NONFERROUS METALS (+25.1%) led upgrades, while Wuliangye (-19.1%) and JINKO SOLAR (-17.2%) saw the largest revenue estimate reductions.

MAXSCEND MICROELECTRONICS (300782 CH) CHANGCHUN HIGH-TECH INDUSTRY (000661 CH) Xinjiang Daqo (688303 CH) NEW HOPE LIUHE (000876 CH) CHONGQING ZHIFEI BIOLOGICAL PRODUCTS (300122 CH) TONGWEI (600438 CH)

Highlighted Stocks

MAXSCEND MICROELECTRONICS, CHANGCHUN HIGH-TECH INDUSTRY, Xinjiang Daqo, NEW HOPE LIUHE, CHONGQING ZHIFEI BIOLOGICAL PRODUCTS, TONGWEI

About CSI 300 Index Earning Revision

A monthly review of consensus earnings revisions for CSI 300 constituents. Each issue estimates how the index's forward EPS changed over the month, and tabulates the stocks with the largest impact on index EPS alongside their EPS and revenue revisions. All issues of Index Earnings Revision Monthly →

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