HK Grey Market | MOMENTA Surges Over 9% at Peak, BAOGAI Jumps More Than 41%, BASICSEMI Rises Over 16%

MOMENTA-W MOMENTA Jumps over 9% in early grey market trading.

MOMENTA is dedicated to the development and commercialization of intelligent driving technologies, aiming to enhance safety and efficiency in both mobility and logistics. The company achieves this through mass-production vehicle solutions and large-scale autonomous mobility applications. Currently, MOMENTA is in the early stages of deploying L3/L4 autonomous driving solutions and continues to evolve toward higher levels of automation.

According to Frost & Sullivan, MOMENTA was one of the top five participants in China's L2-level advanced driver-assistance system (ADAS) market in 2025, and one of the top ten globally in the same market. This market encompasses L2-level urban NOA, L2-level highway NOA, and traditional ADAS solutions.

BAOGAI ’s Hong Kong grey market shares surged over 41% at one point before a sharp pullback

BAOGAI Founded in 2009, BAOGAI has evolved into a specialised manufacturer of composite trench covers in China, focusing on composite trench cover products engineered for construction and infrastructure projects.

The firm’s core composite materials are resin-based composites reinforced with embedded glass fibres, supplemented by structural reinforcements including steel rebar and cast iron, alongside functional fillers such as quartz sand and calcium carbonate.

Since its inception, the company has prioritised technological innovation and premium quality, consistently optimising composite material performance and manufacturing workflows. This strategic focus has enabled BAOGAI to build an integrated system covering R&D, production management and quality assurance, allowing it to meet clients’ stringent specifications and foster long-term customer partnerships.

BASICSEMI jumps over 16% on Hong Kong’s grey market.

BASICSEMI is a Chinese enterprise engaged in third-generation semiconductor power devices, focusing on the research, development, manufacturing and sales of silicon carbide (SiC) power devices. Verified by Frost & Sullivan, the company is the only domestic player in China that integrates full-spectrum capabilities covering SiC chip design, wafer fabrication, module packaging, as well as gate driver design and testing.

It ranks among China’s first batch of manufacturers to mass-produce and deliver SiC products for new energy vehicles (NEVs), which represent the largest end-market for silicon carbide semiconductors.