The Chinese equity markets witnessed a dramatic divergence on the first trading day of June, as tech-heavy indices faced a sharp correction while the broader market remained surprisingly resilient. The STAR 50 Index, which tracks the Shanghai Stock Exchange’s premier science and technology innovation board, plummeted by 5%, leading a wider retreat that saw the ChiNext Index drop over 2%. Despite the headline losses, the day was characterized by a peculiar market breadth where over 3,700 individual stocks rose, signaling a aggressive shift in capital away from heavyweights toward small- and mid-cap domestic firms.
Market liquidity, while still high by historical standards, showed signs of a significant cool-down. Total turnover across the Shanghai and Shenzhen exchanges reached 2.88 trillion yuan, a massive 441.5 billion yuan contraction compared to the previous session. This shrinkage suggests that the feverish buying witnessed in late May may be entering a more cautious phase as investors grapple with shifting sector dynamics and a lack of unified momentum.
Sector performance revealed a distinct rotation strategy. AI hardware components, particularly the Co-packaged Optics (CPO) sector, suffered heavy selling as market leaders like Eastside Precision and CIG Shanghai hit their daily downward limits. Conversely, capital sought refuge in AI software applications and the 'AI PC' niche, with firms like Digital China and Victory Precision gaining ground. This 'hardware-to-software' pivot reflects a maturing view on the artificial intelligence trade, moving from infrastructure bets to implementation plays.
Traditional energy also saw an unexpected resurgence, with coal stocks surging as extreme weather forecasts across China spurred demand for power generation. Companies such as Dayou Energy and Zhengzhou Coal Industry hit the 10% daily limit, providing a defensive buffer against the tech rout. This blend of new-economy volatility and old-economy stability suggests that institutional players are increasingly diversifying into high-yield, cyclical assets to hedge against the valuation risks prevalent in the high-growth technology sector.