| 代码 | 名称 | 最新价 | 涨跌幅√ | 涨跌额 | 成交额 | | --- | --- | --- | --- | --- | --- | | MCTA | 美妍堂 | 14.210 | 46.95% | +4.540 | 1277.22万 | | STFS | 星际时尚 | 0.2138 | 34.47% | +0.0548 | 629.33万 | | JEM | 707 Cayman Holdings | 0.3761 | 27.28% | +0.0806 | 1920.61万 | | QH | 趣活 | 8.120 | 25.50% | +1.650 | 267.97万 | | YMAT | J-Star Holding | 1.0500 | 22.36% | +0.1919 | 3719.05万 | 中概股收盘涨幅前五的个股为：美妍堂涨46.95%，星际时尚涨34.47%，707 Cayman Holdings涨 27.28%，趣活涨25.5%，J-Star Holding涨22.36%。(格隆汇) ...

Chairman of the Ho Chi Minh City People’s Committee Nguyen Van Duoc and J-Star CEO Sam Van Celebrate on the Podium During Nasdaq Bell Ringing Ceremony Chairman of the Ho Chi Minh City People’s Committee Nguyen Van Duoc and J-Star CEO Sam Van Celebrate on the Podium During Nasdaq Bell Ringing Ceremony Chairman of the Ho Chi Minh City People’s Committee Nguyen Van Duoc Greets J-Star CEO Sam Van at Nasdaq Headquarters Overlooking Times Square Chairman of the Ho Chi Minh City People’s Committee Nguyen Va ...

TAICHUNG CITY, Taiwan, Oct. 06, 2025 (GLOBE NEWSWIRE) -- J-Star Holding Co., Ltd. (Nasdaq: YMAT) (“J-Star” or the “Company”), a leading provider of innovative carbon fiber and composite solutions across a wide range of applications including personal sports equipment, healthcare products, automobile parts, resin systems, and research and development services, today announced that its first company owned brand pickleball paddle, Horizon, has received official approval from the USA Pickleball Association (USA ...

TAICHUNG CITY, Taiwan, Oct. 06, 2025 (GLOBE NEWSWIRE) -- J-Star Holding Co., Ltd. (Nasdaq: YMAT) (“J-Star” or the “Company”), a leading provider of innovative carbon fiber and composite solutions across a wide range of applications including personal sports equipment, healthcare products, automobile parts, resin systems, and research and development services, today announced that its first company owned brand pickleball paddle, Horizon, has received official approval from the USA Pickleball Association (USA ...

TAICHUNG CITY, Taiwan, Sept. 22, 2025 (GLOBE NEWSWIRE) -- J-Star Holding Co., Ltd. (Nasdaq: YMAT) (“J-Star” or the “Company”), a leading provider of innovative carbon fiber and composite solutions across a wide range of applications including personal sports equipment, healthcare products, automobile parts, resin systems, and research and development services, today announced that Sam Van has been named Chief Executive Officer of J-Star, effective October 1. Mr. Van succeeds Jonathan Chiang, who will contin ...

Company Overview - J-Star Holding Co., Ltd. is a leading provider of innovative carbon fiber and composite solutions across various applications, including sports equipment, healthcare products, and automobile parts [1][6] - The company has over 50 years of experience in the material composites industry and operates through subsidiaries in Taiwan, Hong Kong, and Samoa [6] Product Launch - J-Star announced the launch of QO Bikes, a premium cycling components brand co-founded by its YMA subsidiary in partnership with industry pioneers Pablo Carrasco and Ignacio Estellés [1][4] - The initial product range includes three sets of carbon fiber cranksets designed for road, gravel, and mountain bikes, emphasizing lightweight and strength [2][3] Market Strategy - QO Bikes has begun shipping products to brands and retailers across Europe, Asia, and Latin America, with plans to expand distribution to the U.S. [3] - The company aims to introduce additional high-performance cycling components that leverage advanced materials and engineering expertise [3][4] Industry Impact - The QO brand is positioned to redefine cycling components through innovation and craftsmanship, aiming to set a new standard in the industry [4][5] - The brand was well-received at the EUROBIKE bicycle show in June 2025, highlighting its flagship product, the RACE SL carbon cranksets, which are among the lightest in the world [8]

Group 1 - The top five Chinese concept stocks that experienced the largest declines in closing prices are J-Star Holding, Donis, Yipin Weike, Youjia Insurance, and Heitong Technology, with declines ranging from 18.83% to 64.63% [1] - J-Star Holding saw a significant drop of 64.63%, closing at 2.030 with a trading volume of 12.586 million [1] - Donis experienced a decline of 35.21%, closing at 10.250 with a trading volume of 8.423 million [1] Group 2 - Yipin Weike fell by 26.18%, closing at 0.3118 with a trading volume of 0.7175 million [1] - Youjia Insurance decreased by 23.18%, closing at 2.850 with a trading volume of 0.9639 million [1] - Heitong Technology dropped by 18.83%, closing at 6.080 with a trading volume of 2.1212 million [1]

Core Viewpoint - J-Star Holding Co., Ltd. successfully completed the sale of an additional 187,500 ordinary shares at the IPO price of $4.00 per share, raising a total of $5,750,000 in gross proceeds from the Offering [1]. Group 1: Offering Details - The Offering included the full exercise of the underwriters' over-allotment option and was part of the Company's initial public offering [1]. - The total gross proceeds from the IPO were previously announced as $5,000,000, prior to deducting underwriting discounts and commissions [1]. - Maxim Group LLC acted as the sole Book-Running manager for the Offering [2]. Group 2: Company Background - J-Star is a leading provider of carbon fiber and composite solutions, with applications in personal sports equipment, healthcare products, automobile parts, and more [1]. - The Company has over 50 years of experience in the material composites industry and operates through subsidiaries in Taiwan, Hong Kong, and Samoa [5]. - J-Star specializes in developing and commercializing technology related to carbon reinforcement and resin systems, producing lightweight, high-performance carbon composite products [5].

Core Viewpoint - J-Star Holding Co., Ltd. successfully completed the sale of an additional 187,500 ordinary shares at the IPO price of $4.00 per share, raising a total of $5,750,000, which includes previously announced IPO gross proceeds of $5,000,000 [1] Group 1: Company Overview - J-Star is a leading provider of innovative carbon fiber and composite solutions, serving various applications such as personal sports equipment, healthcare products, automobile parts, and resin systems [1] - The company has over 50 years of experience in the material composites industry, with operations in Taiwan, Hong Kong, and Samoa [5] - J-Star specializes in developing and commercializing technology related to carbon reinforcement and resin systems, producing lightweight, high-performance carbon composite products [5] Group 2: Offering Details - The Offering was conducted under the Company's Registration Statement on Form F-1, which was declared effective by the SEC on July 29, 2025 [3] - Maxim Group LLC acted as the sole Book-Running manager for the Offering, with legal counsel provided by Loeb & Loeb LLP and Ellenoff Grossman & Schole LLP [2]

Company Overview - J-Star Holding Co., Ltd. is a leading provider of innovative carbon fiber and composite solutions across various applications including personal sports equipment, healthcare products, automobile parts, resin systems, and research and development services [1][6] - The company has over 50 years of experience in the material composites industry, with operations in Taiwan, Hong Kong, and Samoa [6] Initial Public Offering (IPO) Details - J-Star announced the closing of its initial public offering of 1,250,000 ordinary shares at a price of $4.00 per share, resulting in gross proceeds of $5.0 million before expenses [1][2] - The shares began trading on the Nasdaq Capital Market under the symbol "YMAT" on July 30, 2025 [2] - Maxim Group LLC acted as the sole Book-Running manager for the offering and has been granted a 45-day option to purchase an additional 187,500 shares at the offering price [2][3] Regulatory Information - The offering was conducted under the Company's Registration Statement on Form F-1, which was declared effective by the U.S. Securities and Exchange Commission on July 29, 2025 [4]