港股市场速览：能源与材料估值拉升，盈利预测平稳前滚

Investment Rating - The report maintains an "Outperform" rating for the Hong Kong stock market [4] Core Viewpoints - The energy and materials sectors have seen valuation increases, while earnings forecasts remain stable [1] - The overall market has experienced a decline, with significant differentiation in sector performance, particularly in technology [1][2] - Analysts have adjusted earnings expectations upwards for most sectors, indicating a positive outlook for the near term [3] Summary by Sections Market Performance - The Hang Seng Index decreased by 0.6%, while the Hang Seng Composite Index fell by 0.7% [1] - Mid-cap stocks outperformed small-cap and large-cap stocks, with mid-cap stocks up by 0.6% and large-cap stocks down by 1.0% [1] - Among 30 sectors, 18 saw gains, with notable increases in oil and petrochemicals (+5.4%) and non-ferrous metals (+2.8%) [1] Valuation Levels - The valuation of the Hang Seng Index decreased by 0.9% to 11.4x, while the Hang Seng Composite Index valuation fell by 0.7% to 11.5x [2] - Valuations increased in 14 sectors, with oil and petrochemicals up by 5.3% and steel by 2.4% [2] - The most significant declines in valuation were seen in retail (-4.3%) and computers (-3.6%) [2] Earnings Expectations - The earnings per share (EPS) for the Hang Seng Index increased by 0.3% compared to the previous week [3] - The most significant upward revisions in EPS expectations were for the biotechnology sector (+0.8%) and the ROE aggressive strategy (+1.7%) [3] - A total of 27 sectors saw EPS revisions upwards, with notable increases in basic chemicals (+2.1%) and computers (+1.5%) [3]