China's stocks and currency came under pressure as markets returning from a week-long break were greeted by a new trade dispute with the United States and ructions in the global artificial intelligence sector.

The first punches have been thrown between the United States and China in what could amount to a short-lived trade dispute with limited economic fallout or the start of yet another lengthy and painful trade war reminiscent of President Donald Trump’s first term.

While President Donald Trump has delayed levying tariffs on Canada and Mexico, the U.S. has officially implemented a 10% tariff on all Chinese imports. Just as we saw in Trump’s first term, China has responded with retaliatory tariffs,

Amazon.com, Alibaba, and Temu parent PDD Holdings were among the e-commerce stocks tumbling on Wednesday after the U.S. Postal Service said it would temporarily suspend all inbound parcels from mainland China and Hong Kong.

The U.S. Postal Service said it was temporarily suspending inbound parcels from China and Hong Kong, effective Tuesday

The quick recovery from what could be serious scares shows that traders are an optimistic bunch–and it’s hopefully a good sign for the rally that is now into its third year.

A call between Trump and Xi Jinping hasn’t happened Tuesday, but might come Wednesday.

U.S. stock futures and the dollar fell on Tuesday, while Hong Kong shares slipped from two-month highs, as the U.S. and China went tit-for-tat on tariffs and raised the spectre of a broader, damaging trade conflict.