rewrite this title in Arabic Markets rebound as Trump signals cutting China tariffs 'substantially'

Summarize this content to 2000 words in 6 paragraphs in Arabic Global stock markets experienced a relief rally after US Treasury Secretary Scott Bessent indicated that high tariffs were not unsustainable, raising hopes for a de-escalation in the US–China trade war. President Trump confirmed the stance and signalled that tariffs on China would be cut.