A股午评：创业板指涨0.85% 贵金属概念、芯片产业链集体爆发

Market Overview - The A-share market experienced a morning rally, with the ChiNext Index rising over 1% at one point. By the close, the Shanghai Composite Index increased by 0.16%, the Shenzhen Component Index rose by 0.76%, and the ChiNext Index finished up by 0.85% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.63 trillion yuan, a decrease of 216.9 billion yuan compared to the previous trading day [1] Sector Performance - Precious metals concept stocks saw significant gains, with Hunan Silver achieving two consecutive trading limits [1] - The semiconductor industry chain expanded its upward momentum, with over ten stocks including Huada Technology, Longxin Technology, and Zhizheng Shares hitting the daily limit [1] - Lithium mining stocks experienced a rebound, with Shengxin Lithium Energy and Dazhong Mining both reaching the daily limit [1] - Conversely, the consumer sector weakened, particularly in the liquor and tourism hotel segments, which led the decline [1] - The coal sector faced a downturn, with Dayou Energy dropping over 8% [1]