[A-Share Market Close: ChiNext Index Rises and Falls, Down 1.77%; Pharmaceutical and Coal Sectors Defy the Trend and Strengthen] According to reports from Cailian Press, the three major indices collectively closed lower, with the ChiNext Index showing weaker performance, while the STAR 50 Index rebounded after hitting a low. The total turnover of the Shanghai and Shenzhen markets reached 3.09 trillion yuan, a decrease of 91.3 billion yuan compared to the previous trading day. On the market, hotspots were relatively scattered, with over 3,500 stocks across the market declining. From a sector perspective, the pharmaceutical sector strengthened, with Luoxin Pharmaceutical hitting the daily limit, and Shouyao Holdings reaching a 20% limit-up. The liquid-cooled server concept was active, with Dayuan Pumps, Hongsheng Shares, and Seagull Shares hitting the daily limit. The switch concept strengthened during the session, with Feiling Kesi hitting a 20% limit-up, Unisplendour Corporation Limited hitting the daily limit, and Star-Net Ruijie achieving four limit-ups in five days. The cultivated diamond concept saw intraday surges, with Huanghe Whirlwind achieving two limit-ups in three days. The pork concept rose amid fluctuations, with Superstar Agriculture and Animal Husbandry hitting the daily limit. The coal sector rallied at the close, with Haohua Energy surging to the daily limit. On the downside, the PCB concept weakened amid fluctuations, with China Jushi hitting the daily limit down, and International Composites and Defu Technology falling by over 10%.