HONG KONG, July 2 (Reuters) - Hong Kong shares dropped on their first trading day of the third quarter, shedding early gains as the mood in the market swung from optimism over upbeat manufacturing data to caution ahead of key U.S. jobs data.
The benchmark Hang Seng Index finished down 200.68 points at 18,178.05 after starting the day at 18,780.96.
The China Enterprises Index, which represents top locally listed mainland Chinese stocks, inched up 0.1 percent to 10,971.89.
China's second-largest insurer Ping An defied the broad market slump to gain 3.3 percent, tracking a 13-month closing high on the Shanghai index. (Reporting by Parvathy Ullatil; Editing by Chris Lewis)