Chinese shares fell 1.88 percent in the morning session Tuesday, following Wall Street decline as the Standard & Poor's warned that it might lower its rating on U.S. government debt.

The benchmark Shanghai Composite Index down 1.88 percent to 2,999.82.

The Shenzhen Component Index fell 2.06 percent to 12,733.21.

Henan Shuanghui Investment & Development Co. Tuesday resumed trading after a suspension due to a scandal. It plunged by the 10-percent daily limit to end 70.15 yuan.

The listed company of China's largest meat processor Shuanghui Group announced to suspend trading of its shares since March 16, one day after China Central Television reported Jiyuan Shuanghui Food Co., Ltd., purchased pig fed with feedstuff containing Clenbuterol.

Market expects a 10-percent plunge for at least two consecutive trading days after trading resumes.