市场全天冲高回落，沪指3600点得而复失

Market Overview - The market experienced a high opening followed by a decline, with the Shanghai Composite Index losing the 3600-point mark [2][4] - The trading volume in the Shanghai and Shenzhen markets was 1.86 trillion, a decrease of 28.4 billion from the previous trading day, indicating active trading sentiment [4] Sector Performance - Non-bank financials, beauty care, household appliances, banking, and environmental protection sectors showed positive performance, while construction materials, defense, machinery, power equipment, and social services sectors lagged [2][4] - Notable concept indices included high-pressure oxygen chambers, internet insurance, cell immunotherapy, gene sequencing, and CRO concepts performing well, while military restructuring, Hainan Free Trade Zone, and other concepts faced declines [2][4] Investment Opportunities - The report highlights the importance of focusing on sectors such as TMT (Technology, Media, and Telecommunications), machinery, coal, and finance for potential investment opportunities [4] - The Hainan Free Trade Port's operational timeline was confirmed, with plans to expand zero-tariff goods and enhance the investment environment, which may create new investment opportunities [3]