DING LONG(SZ:300054) Xin Lang Cai Jing·2025-09-22 05:44Group 1 - The core viewpoint of the news is that Dinglong Co., Ltd. has experienced a significant stock price increase, with a 5.3% rise on September 22, reaching 34.97 yuan per share, and a total market capitalization of 33.052 billion yuan [1] - Dinglong Co., Ltd. has seen its stock price rise for three consecutive days, with a cumulative increase of 8.35% during this period [1] - The company, established in July 2000 and listed in February 2010, primarily engages in the business of printing and copying consumables and optoelectronic semiconductor process materials, with 99.47% of its revenue coming from semiconductor materials, chips, and printing consumables [1] Group 2 - Among the top ten circulating shareholders of Dinglong Co., Ltd., E Fund's ETF (159915) reduced its holdings by 457,600 shares in the second quarter, now holding 17.0043 million shares, which accounts for 2.32% of the circulating shares [2] - The E Fund's ETF has achieved a floating profit of approximately 29.9275 million yuan today and a total floating profit of 43.5309 million yuan during the three-day stock price increase [2] - The E Fund's ETF has a total scale of 85.537 billion yuan and has delivered a year-to-date return of 46%, ranking 618 out of 4222 in its category [2]