According to Korea's JoongAng Ilbo, Samsung Electronics and SK Hynix reported an average operating profit margin of 69% in Q1, versus 8% for other chip-related firms.

Wang Yi met Brazil foreign minister Vieira. Wang said under their leaders' strategic guidance China and Brazil have advanced a comprehensive strategic partnership and should maintain strategic communication, strengthen coordination and deepen cooperation. China will continue to support Brazil's sovereignty, security and development and expects reciprocal respect for its core interests. China offered closer cooperation in space, connectivity and artificial intelligence and welcomed Brazil joining the World AI Cooperation Organization. Vieira said the leaders keep close communication and high mutual trust, bilateral exchanges are frequent and trade hit a record high last year; Brazil seeks deeper finance and trade ties and tighter coordination with China at the UN and BRICS.

Singapore Exchange says the initial phase will launch about 40 futures and options contracts covering major developed and emerging-market economies.