一度触发临停！301638，大涨逾30%

Core Viewpoint - The company, Southern Power Grid Digital Grid Research Institute Co., Ltd., officially listed on the Shenzhen Stock Exchange on November 18, experiencing a significant opening increase of 261.51%, which later adjusted to a closing increase of 224.78% [2] Group 1 - The company was officially listed on the Shenzhen Stock Exchange on November 18 [2] - The opening price surged by 261.51% on the first trading day [2] - The closing price showed a substantial increase of 224.78% by the end of the trading day [2]