凯龙高科股价涨19.98%，新华基金旗下1只基金重仓，持有5.75万股浮盈赚取27.37万元

Group 1 - Key Point 1: Kailong High-Tech Co., Ltd. has seen its stock price increase by 19.98% to 28.58 CNY per share, with a total market capitalization of 3.283 billion CNY as of February 5 [1] - Key Point 2: The company has experienced a continuous stock price increase for 10 days, with a cumulative increase of 0% during this period [1] - Key Point 3: The main business of Kailong High-Tech includes the research, production, and sales of exhaust gas pollution control equipment for internal combustion engines, with revenue composition being 96.76% from engine exhaust after-treatment systems, 2.25% from exhaust purification and energy-saving systems, and 0.99% from inspection and testing [1] Group 2 - Key Point 1: Xinhua Fund has a significant holding in Kailong High-Tech, with its Xinhua Small and Medium-sized Value Selection Mixed Fund (519097) holding 57,500 shares, representing 1.4% of the fund's net value [2] - Key Point 2: The fund has generated an estimated floating profit of approximately 273,700 CNY today, with no floating profit during the 10-day stock price increase [2] - Key Point 3: The Xinhua Small and Medium-sized Value Selection Mixed Fund has a total scale of 67.9902 million CNY, with a year-to-date return of 12.57% and a one-year return of 63.09% [2]