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At present, the global macroeconomic environment is still complex and changeable. Although the domestic economy has generally maintained a stable recovery trend, it still faces many challenges in the context of the global economic slowdown. Although the tension of international trade has eased, uncertainty still exists, and the operating pressure of some export-oriented enterprises has not been fundamentally alleviated, which has affected the market's expectation of overall economic growth to a certain extent, and then reflected in the trend of A-share market. In addition, recent fluctuations in some macroeconomic data, such as marginal changes in manufacturing purchasing managers' index (PMI), have also made investors more cautious in judging the economic prospects, which has become one of the deep-seated reasons for the lack of market confidence and the downward trend of the index after opening higher in the morning.(A) macroeconomic factors(B) Macro policies and news expectations

At the same time, changes in news at home and abroad will also have an important impact on A shares. Internationally, the results of monetary policy meetings in major economies and the latest progress in international trade negotiations may trigger global market fluctuations, which will then be transmitted to the A-share market. For example, if the Fed releases a dove signal, it will help global funds to return to emerging markets, including the A-share market, and provide external assistance for the index to go up. In China, industry-level policy news, such as the adjustment of centralized purchasing policy in pharmaceutical industry and the continuation or optimization of subsidy policy in new energy automobile industry, will directly affect the trend of related industry sectors, and then have a chain reaction to the pattern of the whole A-share market.Second, the analysis of the reasons for high opening and low walkingAfter today's adjustment, the trend differentiation of the technology growth sector may intensify tomorrow. Some leading enterprises with real core technology competitiveness and clear performance growth expectations may attract funds to bargain-hunting after adjustment, take the lead in stabilizing and rebounding, and drive the overall popularity of the science and technology sector to rebound; And some small and medium-sized technology stocks that lack performance support and rely only on concept speculation may continue to face downward pressure. In addition, as a long-term stable force in the A-share market, the consumer sector is often more defensive when the market fluctuates greatly. If the overall market sentiment is still cautious tomorrow, the food and beverage, medicine and biology sub-sectors in the consumer sector are expected to continue to gain the favor of funds and maintain a relatively stable trend, which will play a certain supporting role in the index.

At the same time, changes in news at home and abroad will also have an important impact on A shares. Internationally, the results of monetary policy meetings in major economies and the latest progress in international trade negotiations may trigger global market fluctuations, which will then be transmitted to the A-share market. For example, if the Fed releases a dove signal, it will help global funds to return to emerging markets, including the A-share market, and provide external assistance for the index to go up. In China, industry-level policy news, such as the adjustment of centralized purchasing policy in pharmaceutical industry and the continuation or optimization of subsidy policy in new energy automobile industry, will directly affect the trend of related industry sectors, and then have a chain reaction to the pattern of the whole A-share market.The technical forms of Shenzhen Stock Exchange Index and Growth Enterprise Market Index are similar to those of Shanghai Stock Exchange Index, and they both face short-term technical adjustment pressure. Shenzhen Stock Exchange means that if the closing price of tomorrow is lower than today's low, and the technical indicators such as relative strength index (RSI) continue to weaken, it may further test the bottom area of the previous box consolidation. Growth enterprise market refers to the supporting role of its 20-day moving average after experiencing today's high opening and low going. If we can hold the moving average and some growth sectors can stop falling and stabilize, the GEM index may be able to maintain a relatively stable range fluctuation in the short term; If it falls below the moving average and the trading volume is enlarged, it may pull back to a lower level, dragging down the whole market sentiment.(B) Macro policies and news expectations