A股午评：深成指涨0.17%，消费电子板块集体爆发

Market Overview - The three major A-share indices showed mixed performance on the morning of the 22nd, with the Shanghai Composite Index up by 0.07%, the Shenzhen Component Index up by 0.17%, and the ChiNext Index down by 0.09% [2] - The North Stock 50 index increased by 0.72% [2] - The total trading volume in the Shanghai, Shenzhen, and Beijing markets reached 1.3556 trillion yuan, a decrease of 155.2 billion yuan compared to the previous day [2] - Over 3,400 stocks in the market experienced declines [2] Sector Performance - The sectors that saw significant gains included precious metals, consumer electronics, storage chips, liquid cooling servers, and humanoid robot concept stocks [2] - Conversely, the sectors that faced the largest declines were film and cinema, energy metals, photovoltaic equipment, tourism and hotels, dairy, and cement [2] Notable Stocks - The consumer electronics sector experienced a collective surge, with stocks such as Luxshare Precision, Hongfu Huan, and Guoguang Electric reaching their daily limits [2] - The liquid cooling server sector also saw a breakout, with Invec hitting the daily limit and Industrial Fulian rising over 8%, setting a new historical high [2] - Other stocks that followed suit included Siquan New Materials and Shenling Environment [2] - In contrast, the film and cinema sector faced a significant downturn, with Jinyi Film experiencing a limit down, and China Film, Happy Blue Sea, and Hengdian Film seeing substantial declines [2] - The energy metals sector opened high but fell back, with companies like Tengyuan Cobalt, Tianqi Lithium, and Ganfeng Lithium all experiencing declines [2]