Momenta, a Chinese autonomous‑driving firm backed by General Motors, priced its Hong Kong IPO at $9 billion. The offering raised $751 million before trading opened. On day one, shares closed 2.8 % above the issue price of 303.80 HKD—a modest lift that reflected market caution around self‑driving profitability.

Demand eclipsed supply, with the retail portion of the offering oversubscribed 413.6× and the institutional tranche 20.3×. Investors chased the stock amid a wave of new listings, yet the price move stayed restrained, signaling a measured appetite for the sector.

The debut underscores Hong Kong's growing role as a capital source for high‑tech firms seeking Asian exposure. Momenta's valuation places it among the top‑tier autonomous‑driving entrants, reinforcing the city’s appeal to companies eyeing middle‑market growth.

For investors, the muted start suggests that value may still rise as the self‑driving market matures. For industry players, Momenta's entry heightens competition in AI‑driven mobility and may prompt rivals to accelerate funding rounds in the region.