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Market Overview - On June 27, the A-share market experienced a mixed performance, with the Shanghai Composite Index down by 0.21% and the Shenzhen Component Index up by 0.85% [2][3] - The total market turnover reached 1.01 trillion yuan, showing a slight increase compared to the previous day [4] Sector Performance - The sectors that performed well included non-ferrous metals, communications, electronics, and semiconductors, with significant gains in optical modules, GPUs, optical chips, and high-speed copper connections [4][5] - Conversely, the banking sector saw a notable decline, with 40 out of 42 bank stocks falling [15][17] Stock Highlights - Optical module, GPU, and optical chip stocks surged in the morning session, with notable individual stock performances such as Lian Te Technology and Yuan Jie Technology, which rose over 10% [11][12] - New Tonglian's stock exhibited extreme volatility, opening at a limit-up price and quickly dropping to a limit-down price, resulting in a decline of 8.71% by midday [20] Industry Insights - According to CITIC Securities, the trend in system-level products from leading computing companies suggests that system-level computing may become the next frontier for AI development, with domestic GPU companies likely to catch up with overseas products [13] - Minsheng Securities forecasts that the banking sector's revenue growth is expected to stabilize by 2025, with potential for valuation recovery as macroeconomic conditions improve [18]