刚刚，暴力拉升！

Core Viewpoint - The North Exchange 50 Index experienced a significant surge, reaching a peak of 1482.59 points with an increase of 6.68% in the afternoon session on December 11 [1]. Group 1: Index Performance - The North Exchange 50 Index saw a dramatic rise, peaking at 1482.59 points, with a maximum increase of 6.68% [1]. Group 2: Major Stocks Performance - Among the major constituent stocks, Tianli Composite hit a 30cm limit up, while Xingtum Measurement Control, Fujida, and Tianma New Materials all rose by over 10% [2].