4日投资提示：中旗新材，晨丰科技股东拟减持不超3%股份

Group 1 - The core viewpoint of the article discusses the upcoming IPO of Zhigao Machinery, highlighting a lower threshold for subscription and an estimated subscription rate of 0.051% [1] - Zhigao Machinery's issuance price is set at 17.41 yuan, with a public offering market value of 3.55 billion yuan [1] - The total estimated subscription amount for the IPO is around 700 billion yuan, indicating significant market interest [1] Group 2 - The article mentions that Changjiang Electric Power plans to invest 26.6 billion yuan in shipping infrastructure, although it may not yield substantial profits [1] - China Shenhua has suspended trading to prepare for the acquisition of controlling shareholder assets, indicating strategic moves in the market [1] - The National Energy Group is planning to acquire multiple companies through a combination of share issuance and cash payments, aligning with the goal of supporting the real economy [2]