FAP, June 13 (Xinhua)-- CPO shares continued to rise after bottoming out in early trading, Yihua shares rose by the daily limit, Yuanjie Technology rose by 7%, Tianfu Communications rose by more than 5% and continued to set new record highs. Yongding shares, Taichenguang, FiberHome Communications and so on quickly rose. On the news, Guotai Junan pointed out that the order demand for 800G optical modules has reached 700000 at the beginning of the year, benefiting from North American manufacturers, and the market demand for the whole year of 2023 is expected to be between 1.2 million and 1.4 million.