上证指数盘中突破3900点，科创创业50ETF（159783）涨超3%

Group 1 - The A-share market opened high and continued to rise, with the Shanghai Composite Index surpassing 3900 points for the first time since August 2015 [1] - Sectors such as gold, controllable nuclear fusion, non-ferrous metals, and chips led the gains, while tourism, real estate, film, and insurance sectors declined [1] - The ChiNext and STAR Market's advantages are combined in the Sci-Tech Innovation and Entrepreneurship 50 ETF (159783), which selects 50 leading companies with high market capitalization and strong technology attributes [2] Group 2 - Zhongtai Securities believes that the stable performance of the market before the holiday indicates strong confidence among bullish funds, with global stock markets rising during the holiday creating room for catch-up [1] - In the fourth quarter, the technology sector may experience short-term fluctuations due to U.S. tariffs and geopolitical risks, but overall risks are manageable [1] - The technology sector is expected to show a rotation pattern of "high-level fluctuations - midstream switching - downstream expansion," with a focus on "new productive forces" such as artificial intelligence, chips, and robotics [1]