HONG KONG, Oct 6 (Reuters) - Hong Kong shares slid on Thursday after a sharp rally in the previous session, underperforming firmer Asian markets as investors focussed on China's economic growth prospects.

** Trading was quiet as most market participants stayed on the sidelines ahead of U.S. jobs data on Friday and China was closed for the week for National Day holiday.

** At the midday break, the Hang Seng index was down 77.79 points, or 0.43%, at 18,010.18, with mainland property developers shedding ground after three sessions of gains. The Hang Seng China Enterprises index fell 0.69% to 6,181.86.

** The Hang Seng Mainland Properties Index fell 1.2%. The sub-index of the Hang Seng tracking energy shares climbed 0.5% and the Hong Kong property sector edged up 0.09%, while the IT sector dipped 0.61% and the financial sector slid 0.34%

** The top gainer on the Hang Seng was Wharf Real Estate Investment Company, which rose 4.27%, while the biggest loser was Hansoh Pharmaceutical Group, which fell 6.18%.

** Shares of Chinese lithium battery maker CALB Co Ltd slipped below their HK$38 apiece offering price on debut. The company raised $1.28 billion in its initial public offering, the largest in Hong Kong in 2022.

** Around the region, MSCI's Asia ex-Japan stock index was firmer by 0.41%, while Japan's Nikkei index rose 0.89%.

** The three biggest H-shares percentage decliners were Geely Automobile, which was down 4.87%, Innovent Biologics, which fell 4.2%, and Xinyi Solar, down by 3.1%. (Reporting by Donny Kwok; Editing by Subhranshu Sahu)