The Hang Seng Index fell 2.05% to close at 19,015, the Hang Seng China Enterprises Index down 2.4% and the Hang Seng Tech Index down 2.35%.
Technology heavyweights were mostly lower, with JD.com and Tencent sliding more than 4%, Alibaba down 3.5%, Meituan down 2.6% and Baidu down 2.4%.
Mainland property developers slid across the board, led by Longfor Group slumping for nearly 10% and property management, cement producers and building material suppliers are also lower, as the latest data showed more weakness in the real estate sector.
Mobile game companies, online healthcare companies, semiconductor companies, movie production companies and entertainment companies were mostly lower. Automakers, Apple suppliers, airlines outperformed.