CME: June average daily volume hit a record 30.6 million contracts, up 19% YoY.

A-shares opened lower and slid through the morning session. At midday the Shanghai Composite was down 0.9%, the Shenzhen Composite Index down 2.09% and the ChiNext Index down 3.47%; combined turnover topped 2.2 trillion yuan and more than 2,000 stocks were lower. The STAR 50 Index fell over 4% intraday. Precious-metals names outperformed, with several miners — including Xianglu Tungsten, Chifeng Gold, Zhaojin Gold and Shanjin International — hitting daily limit-ups. Humanoid-robot concept stocks also rallied, with over ten constituents at limit-up. Advanced packaging warmed, while semiconductor equipment continued to weaken; compute-hardware plays, glass-substrate and memory-chip sectors posted the largest declines.

U.S. crude futures settled at $68.58 a barrel, down $0.92, or 1.32%.