山西国企改革板块2月4日涨4.75%，山西焦煤领涨，主力资金净流入6.1亿元

Group 1 - The core viewpoint of the article highlights that the Shanxi state-owned enterprise reform sector experienced a significant increase of 4.75% on February 4, with Shanxi Coal leading the gains [1] - On the same day, the Shanghai Composite Index closed at 4102.2, reflecting an increase of 0.85%, while the Shenzhen Component Index closed at 14156.27, up by 0.21% [1] - The net inflow of main funds into the Shanxi state-owned enterprise reform sector amounted to 610 million yuan, while retail investors saw a net outflow of 332 million yuan [1]