China equity index futures midday: CSI 300 (IF) main contract up 0.19%, SSE 50 (IH) up 0.25%, CSI 500 (IC) up 0.66%, CSI 1000 (IM) up 1.10%.

Germany's vice-chancellor and finance minister said the recent surge in global bond yields stems from uncertainty caused by U.S. President Trump's war in Iran, which has disrupted the global energy supply balance. He warned higher yields are worsening Europe's economic strain, including higher gas prices, and placed responsibility on the White House. In May he said Germany now expects more than €50bn less tax revenue by the end of the decade, blaming Trump's "reckless war" and the ensuing global energy price shock.

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