The arithmetic concept stock continues to strengthen in the afternoon by the daily limit of Dawn.

Xinhua News Agency, April 19, Huina Technology and Cambrian rose more than 10%, Zhongke Shuguang rose by its daily limit in the afternoon, Tongfang shares, tide information, China Great Wall, Tuowei Information, China Digital, and so on rose more than 5%. On the news side, China Science dawning recently said on the interactive platform that the company has provided arithmetic support for many domestic large model training, such as "Zidong Taichu" and "Wudao 2.0".