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Du Jingxia, 91, enjoys learning new things and playing gateball in her leisure time. [Photo provided to chinadaily.com.cn]

Dow stocks dropped about 2,250 points on the opening, triggering trading halt. The market edged slightly lower when trading resumed after a 15-minute halt, but recouped some early losses and traded within a narrow — but negative — range.

Dubbed "robot goddess," Jia Jia has a beautiful face, long flowing locks and rosy red cheeks, looking very much like a real woman.

Du Xinze, an analyst at CCID Consulting, said China's AI industry is at the critical point of progressing from the growth stage to maturity stage.

During a symposium with entrepreneurs last week, Chinese President Xi Jinping stressed the need to give full play to the advantage of a huge domestic market, so that a new development pattern will gradually be created whereby domestic and foreign markets can boost each other, with the domestic market as the mainstay.