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N华新上午收盘涨303.49%

Group 1 - The core viewpoint of the article highlights the significant stock performance of N Huaxin (603370) on its debut, with an opening increase of 249.46% and a midday increase of 303.49% [1][2] - The company specializes in the research, production, and sales of precision stamped iron cores and related precision stamping molds [2] - The total number of shares issued by the company is 43.73 million, with an online issuance of 27.99 million shares at a price of 18.60 yuan per share, resulting in a price-to-earnings ratio of 21.68, which is slightly below the industry average of 21.80 [2] Group 2 - The company raised a total of 814 million yuan through its initial public offering, with the funds primarily allocated to projects such as the expansion of iron cores for electric vehicle drive motors, working capital, and the establishment of a precision stamping and mold research center [2] - The final online subscription rate for the issuance was 0.02555726% [2] - The midday trading volume reached 23.05 million shares, with a turnover of 1.635 billion yuan and a turnover rate of 67.25% [1][2]