大涨！“硬科技”爆发

Group 1: Market Performance - On October 27, the Shanghai Composite Index approached 4000 points, with the "hard technology" sector, including storage chips and optical modules, leading the gains [1][4] - The three major A-share indices collectively rose, with the ChiNext Index and the Sci-Tech Innovation 50 Index increasing by 1.98% and 1.50%, respectively [4] - Several ETFs related to communication and semiconductors saw gains exceeding 3%, with some 5G communication-themed ETFs rising over 5% [4] Group 2: ETF Trends - The semiconductor ETF (159801) tracking the National Securities Semiconductor Index has seen a net inflow of over 480 million yuan in October, bringing its total size to over 5.1 billion yuan [4] - The Hong Kong Stock Connect Technology ETF (159262) has continuously attracted net inflows for 11 weeks, with its latest size surpassing 5.7 billion yuan [5] - The chip equipment ETF (560780) has gained over 55% this year, with a net inflow of over 300 million yuan in October, bringing its size to over 1.6 billion yuan [5] Group 3: Gold ETFs - Gold ETFs and Shanghai Gold ETFs experienced a net inflow of over 15.5 billion yuan from October 20 to October 23, but saw a net outflow of nearly 2 billion yuan on October 24 [2][11] - The recent decline in gold prices is attributed to high short-term congestion and reduced geopolitical risks, according to Huazhang Fund [7] Group 4: Cross-Border ETF Premium Risks - Several fund managers have issued warnings regarding premium risks associated with cross-border ETFs, with many tracking indices like the Nasdaq 100 and Nikkei 225 showing premium rates above 5% as of October 27 [3][15]