收评：深证成指微涨0.19% 半导体等板块拉升

Market Overview - The Shanghai Composite Index closed at 4146.63 points, with a slight decline of 0.01% and a trading volume of 1,067.199 billion yuan [1] - The Shenzhen Component Index reported at 14,503.79 points, showing an increase of 0.19% with a trading volume of 1,471.247 billion yuan [1] - The ChiNext Index closed at 3,344.98 points, down by 0.29% and a trading volume of 692.770 billion yuan [1] Sector Performance - Sectors such as insurance, real estate, media, oil, retail, brewing, and brokerage experienced declines [1] - Conversely, sectors including semiconductors, environmental protection, electricity, and steel saw gains [1] - Active concepts included CPO, PCB, glass substrates, and nuclear power [1]