Japan's finance minister Katayama met US Treasury Secretary Bessent after the G7 summit.

Dingyang Technology shares fell 11.87% to 68.75 yuan at the close. Market participants said the prior rally was driven by NVIDIA photonics-chain thematic speculation, leaving the stock exposed to concentrated profit-taking. The company said the share move reflected multiple factors and that its ties to NVIDIA are limited; it does not see pronounced business cyclicality, though some products have seasonal demand around university term starts. Q1 2026 revenue was about 162.0 mln yuan, up 22.85% YoY; net profit was about 38.34 mln yuan, down 5.77% YoY. Management pointed to high accounts receivable and a YoY rise in financial expenses of 10.06 mln yuan—mainly foreign-exchange losses and lower interest income—plus higher R&D spending and reduced government subsidies as the main drivers of the profit decline.

Shanghai Gold Exchange gold T+D closed down 0.1% at 912.62 yuan/gram in the evening session on Monday, June 22. Shanghai Gold Exchange silver T+D closed down 2.06% at 15,577.0 yuan/kg.