Beijing is trying to maintain a trade-war truce, as data shows its economy is slowing.
Analysts say the timing of their detention makes it clear this was a political decision.
Both men were detained Monday, as a Canadian court held a bail hearing for a Chinese exec.
The working hours inside Huawei are notorious, even by the grueling standards of China. Now the company is locked in a struggle with the United States after the arrest of the company’s heir apparent.
The U.S.-ordered arrest of Meng Wanzhou is widely viewed in China as part of Washington’s attempts to thwart the country’s race toward next-generation technologies.
Retaliation over a Huawei executive’s arrest could result in more punitive U.S. measures against the company.
Chinese anger has injected new unpredictability into the negotiations.
China has rallied behind Meng after her U.S.-sought arrest in Vancouver.
Analysts wondered if Trump and Xi left their meeting with very different ideas about their agreement.
The North Korean leader's Singaporean hosts seemed to be daring Kim to think big ahead of his summit with Trump.