Datasea Inc (NASDAQ:DTSS) shares are trading lower by 19% to $7.35 during Tuesday’s session, pulling back following earlier, marked strength. The company announced the establishment of a joint venture company in China named Datasea Yiyun Digital Technology Co., Ltd. with Shenzhen Yiyun Technology Co., Ltd. Datasea says the aim of the venture is to advance their presence in the 5G multimodal communications sector by combining AI and leveraging their respective technological capabilities. Datasea holds 66% equity while Yiyun Technology holds 34%. Both companies say they believe their combined st…