收评：沪指放量跌1.76%，创业板指跌0.69%，CPO概念逆势拉升

Market Performance - On the morning of the 27th, the Shanghai Composite Index experienced narrow fluctuations, while the Shenzhen Component Index and the ChiNext Index reached new highs during the session. In the afternoon, major indices saw a pullback, with the Shanghai Composite Index dropping over 1.5% and the Shenzhen Component Index falling over 1%. By the close, the Shanghai Composite Index fell 1.76% to 3800.35 points, the Shenzhen Component Index decreased 1.43% to 12295.07 points, and the ChiNext Index declined 0.69% to 2723.20 points. The total trading volume in the Shanghai and Shenzhen markets reached 31,984 billion yuan, an increase compared to the previous day [1]. Sector Performance - In terms of sector performance, the semiconductor and highway sectors showed strength, while sectors such as light industry machinery, oil trading, coke processing, real estate, shipbuilding, public transportation, liquor, textiles, cement, pharmaceutical commerce, lead-zinc, and general steel experienced weakness. Additionally, the CPO concept stocks saw a rise [1]. Corporate Earnings - According to Wanlian Securities, as of August 25, most companies reported a year-on-year increase in net profit attributable to shareholders, with leading companies performing well. It is expected that corporate profitability will gradually recover. The capital market showed a significant rebound in confidence in August, driven by policies aimed at reducing internal competition, which boosted the overall industry chain's prosperity. The TMT sector saw a leading inflow of funds, with various sub-sectors in pharmaceuticals and machinery equipment gaining market attention, while the dividend style experienced a pullback [2]. Investment Recommendations - The report suggests focusing on sectors with high prosperity in multiple sub-fields such as TMT and pharmaceuticals, capitalizing on opportunities in the technology growth sector. Additionally, ongoing macro-control policies are expected to continue driving economic growth momentum, with an emphasis on expanding domestic demand as a key investment theme [2].