Shares of Horizon Robotics climbed in their trading debut in Hong Kong Thursday, adding to optimism over a revival in initial public offerings in the Asian financial hub.

SYDNEY (Reuters) -Shares of Horizon Robotics ended 2.8% higher on their Hong Kong debut on Thursday, after the Chinese autonomous vehicle maker raised $696 million in this year's largest initial public offering (IPO) in Hong Kong. The company sold 1.355 billion shares at HK$3.99 each, according to the its filings.

The Volkswagen-backed company ended its first trading day at HK$4.1, up 2.8% from its HK$3.99-a-share IPO price. Its stock surged as much as 38% in intraday trading.