Gelonghui on September 3rd: Roman shares, shanghai fengyuzhu culture technology, ways electron, shanghai wondertek software hit the limit up, costar group, dong yi ri sheng home decoration group impacting the limit up, hangzhou arcvideo technology co., ltd. rose by more than 10%, silkroad visual technology, beijing new space technology, and Lingyun light etc. are among the top gainers. On the news front, PICO, a subsidiary of ByteDance, officially launched the new generation of mixed reality all-in-one machine PICO4Ultra series. The consumer version will be officially released starting from September 2nd.