Chinese stocks had their best day of trading in more than two-and-a-half years on Monday, Oct. 22, sending Chinese companies that trade publicly in the U.S. soaring.

The country's benchmark Shanghai Composite rose more than 4% after senior Chinese officials made a concerted effort to talk up the country's struggling economy. For the year, the Shanghai Composite has declined more than 20%, largely due to the trade war that China and U.S. trade war. 

But Monday's session saw the largest jump in the index since March 2016, bringing the composite's two-day jump to nearly 7%.

Here are how some Chinese stocks were doing in U.S. trading on Monday. 

Alibaba Group Holding Ltd.  (BABA - Get Report)  was up 4.6%. 

Tencent Holdings Ltd.  (TCEHY) gained 3.6%. Inc. (JD - Get Report) jumped 3.4%. 

Baidu Inc. (BIDU - Get Report) gained 2.7%. International Ltd. (CTRP - Get Report) bounced 3.7% higher.