(Yicai Global) Jan. 16 -- China's mainland stock markets diverged in the morning session after showing promise at the opening bell following an early-stage trade deal with the United States.

The Shanghai Composite Index closed for lunch 0.28 percent lower at 3,081.38, while the Shenzhen Component Index ended at 10,971.57, down 0.01 percent. The ChiNext Price Index, which tracks growth enterprises in Shenzhen, finished the morning up 0.31 percent at 1,930.25.

China's Vice Premier Liu He and United States President Donald Trump penned a first-stage agreement on economic and trade terms between the two countries at the White House yesterday, local time.

Editor: James Boynton