Shares in Chinese electric vehicle maker NIO (HK:9866) jumped on Thursday, following the company's launch of its flagship ES9 SUV, which it described as the country's largest battery-electric SUV.

NIO's Hong Kong-listed shares rose as much as 10.50% to HK$46.08 by 8:40 a.m., while the company's US-listed shares closed 9% higher in last night's session.

NIO has unveiled the ES9, a luxury six-seater electric SUV, with prices starting at 498,000 Chinese yuan (equivalent to $73,400) including the battery pack, a lower price than the promotional price announced earlier this year.

The car is over 5.30 meters long and features NIO's autonomous driving chips, battery swapping technology, and a 900-volt charging platform. Deliveries began immediately after the launch event in Beijing.

Investor sentiment was also supported by indicators pointing to an improvement in profitability, as NIO recently announced that it had achieved an adjusted operating profit for the second consecutive quarter, and predicted an increase in vehicle deliveries during the current quarter.