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Two new stocks were listed today (23rd), among which the mainland lithium battery separator manufacturer Senior's stock price performed well. Senior opened at HKD 12.43, up over 38% from the offer price of HKD 8.98, and later reached a high of HKD 13.41, closing at HKD 11, up over 22%. With a lot size of 500 shares, excluding fees, one lot would earn approximately HKD 1,010. In addition, the mainland biopharmaceutical company HJ SCIENCE opened at HKD 81.8, flat with the offer price, later reaching a high of HKD 82, and closed at HKD 35.26, nearly 57% lower than the offer price. With a lot size of 100 shares, excluding fees, one lot would incur a loss of approximately HKD 4,654. HJ SCIENCE's public offering was oversubscribed about 2,000 times, with a 2% chance of winning a lot. The net fundraising amount exceeded HKD 1 billion. Senior was oversubscribed over 1,500 times, with only a 0.1% chance of winning a lot, and the net fundraising amount was approximately HKD 1.28 billion. Management stated that they will continue to increase R&D investment to consolidate their global leading position in the lithium battery separator industry and accelerate the development of semiconductor materials. Senior's chairman Chen Xiufeng said, "We will rapidly increase the company's investment in semiconductor materials, integrate global resources, and quickly create a second growth curve for the company's semiconductor materials. The company aims to become a well-known enterprise in China's semiconductor materials field within 3 to 5 years, fully enhancing the company's risk resistance and profitability."