Shanghai Enflame Technology's shares surged on their trading debut, more than doubling in value. The company, a designer of graphics processing units (GPUs), is part of China's burgeoning effort to build domestic capabilities in a sector dominated by foreign firms.

Despite the strong market reception, the company's future performance faces scrutiny. Enflame Technology is one of four so-called “little GPU tigers” in China, companies aiming to carve out a niche in the competitive GPU market. The true measure of their success, and Enflame's in particular, will depend on their ability to innovate and compete effectively in the long term, according to market observers. The debut comes at a time when China is seeking to reduce its reliance on foreign-made semiconductors, a strategic goal that has intensified amid global trade tensions.