Chinese Foreign Minister Wang Yi called on Southeast Asian nations to uphold openness and cooperation Thursday, delivering a message of inclusivity as President Donald Trump threatens sweeping tariffs on nations across the region.

By Rae Wee SINGAPORE (Reuters) -Asian stocks rose slightly on Thursday, riding on optimism from Nvidia's brief rise to a world-record $4 trillion valuation and as investors largely shrugged off U.S. President Donald Trump's latest tariff salvos.

Chinese state media warned the Trump administration against striking deals that sideline China, after the president announced that Asian countries would face higher tariffs starting on Aug. 1.

The new tariff rates threatened in the letters Trump shared Wednesday are similar to those he announced on what the White House dubbed “Liberation Day” in early April.

Southeast Asia's biggest economies prepared on Tuesday to step up trade negotiations with Washington after it hit them with steep tariffs, despite a last-ditch flurry of offers to boost imports and slash levies on U.