上交所：本周对201起拉抬打压、虚假申报等证券异常交易行为采取了自律监管措施，对32起上市公司重大事项等进行专项核查，向证监会上报涉嫌违法违规案件线索5起。

In an interview on June 22, NVIDIA CEO Jensen Huang said Chinese open-source large AI models are very strong and the US should not fear them. He opposed restricting or banning Chinese open-source models, saying the world needs both open- and closed-source large models and US companies should be allowed to use Chinese models. Huang added markets previously misread the impact of DeepSeek and Kimi and called the notion that Chinese models contain backdoors linking them to China mistaken.

South Korea presidential policy chief Kim Yong-beom said Samsung Electronics and SK Hynix will sign major agreements involving large sums with leading US tech firms during SOUTH KOREA'S LEE's Silicon Valley visit. Potential deals include long-term memory-chip supply contracts, strategic investment partnerships and memoranda of understanding; no financial details were disclosed. Kim said the visit acted as a catalyst to conclude long-running corporate negotiations; LEE departed Friday to attend an AI summit and meet NVIDIA CEO JENSEN HUANG, OpenAI founder Altman, ANTHROPIC co-founder Dario Amodei and Broadcom CEO Hock Tan.