Shares in Hong Kong bourse operator plunge as city hikes trading tax
香港宣布提高股票印花税，港交所股价大跌

Government’s move to raise duty for first time in almost 30 years threatens core HKEX business
香港宣布将股票印花税从0.1%上调至0.13%，为近30年来的首次上调，这威胁到了港交所的核心业务，使其股价大跌。