时隔10年，沪指突破3900点！芯片股，集体暴涨！

Market Overview - The A-share market experienced a significant upward movement, with the Shanghai Composite Index breaking the 3900-point mark for the first time in 10 years, closing up 1.24% [1][3] - The Shenzhen Component Index and the ChiNext Index also saw notable gains, with both indices rising over 2% during the session, reaching new highs for the year [4] Sector Performance - The non-ferrous metals and semiconductor sectors were the main drivers of the market rally, with the non-ferrous metals sector surging over 5% and several stocks hitting the daily limit [6] - International gold prices rose significantly during the National Day holiday, with London gold prices surpassing $4000 per ounce, leading to a jump in domestic gold futures, which exceeded 900 RMB per gram [6] - The electronics sector also performed well, with gains exceeding 4%, particularly in chip stocks, with several companies experiencing over 10% increases [6] Hong Kong Market - The Hong Kong market showed narrow fluctuations, with Hang Seng Bank experiencing a dramatic rise of over 40% due to privatization news [2][11] - Hang Seng Bank announced a proposal for privatization, offering shareholders HKD 155.00 per share, with the plan expected to take effect soon [12][13]