The Shanghai Composite climbed 0.95% to close at a near one-month high of 4,027 on Tuesday, while the Shenzhen Component gained 1.61% to 14,640, marking its strongest level since January 2022. Both benchmark indices were supported by optimism over renewed diplomatic signals between the US and Iran, after President Trump said Tehran had reached out regarding a potential deal, while Iranian President Masoud Pezeshkian signaled openness to further talks if aligned with international law. Domestically, annual export growth slowed sharply to a five-month low of 2.5%, reaching USD 321.03 billion, while imports surged 27.8% to USD 269.9 billion. As a result, the trade surplus narrowed notably to a more than one-year low of USD 51.13 billion in March 2026, from USD 101.93 billion a year earlier and well below expectations of USD 112 billion. Significant gains were recorded in Foxconn (5.78%), Zijin Mining Group (3.39%), Zhongji Innolight (4.74%), and Sungrow Power Supply (3.89%).