The Shanghai Composite Index closed down 1.7% on June 8, falling below the 4,000-point threshold as nearly 4,600 stocks declined across the market. The ChiNext Index also saw a significant drop of 3.69%, while the Shenzhen Component Index fell 3.22%. The combined turnover of the Shanghai and Shenzhen stock exchanges was 2.79 trillion yuan, marking a decrease of 276.5 billion yuan from the previous trading day. Despite the overall market downturn, certain sectors showed resilience. The robotics concept sector saw gains, with Fengguang Precision achieving a 30% daily limit for the second consecutive day. The physics AI concept remained active, with Zhongwang Software and Fantuo Digital Innovation hitting their daily limits. Oil and gas stocks rebounded, highlighted by Shandong Molong reaching its daily limit. Conversely, the non-ferrous metals sector continued to weaken, with Yunnan Tin hitting its daily limit down.