北证50日内涨幅达1.13%，连城数控涨18.19%

Group 1 - The core point of the article highlights that the North Exchange 50 index has increased by 1.13% over the past 50 days [1] - Among the constituent stocks, Liancheng CNC has seen a significant rise of 18.19% [1] - Minshida has increased by 5.39%, while Jinbo Biological and Xingtum Measurement Control have risen by 2.41% and 1.92% respectively [1]