SINGAPORE—The unexpected success of Chinese AI startup DeepSeek has revealed cracks in U.S. efforts to contain China’s technology ambitions, challenging both Washington and Silicon Valley to rethink how best to preserve American supremacy.

Trump calls tariffs America's "big power over China," but analysts say Beijing may be better prepared than ever to engage in a trade war with the U.S.

After many months of threats, the US has imposed 10% tariffs on all Chinese goods coming into the country. Helen Qiao, chief economist for Greater China at Bank of America, joins John Lee and Katia Dmitrieva to gauge the impact in the world's second largest economy and what could lay ahead.

China filed a World Trade Organization complaint on Wednesday against U.S. President Donald Trump's new 10% tariff on Chinese imports and his cancellation of a duty-free exemption for low-value packages,