Residential property sales in Hong Kong fell after the government doubled a sales tax, saying bubble risks are spreading in the world’s most expensive place to buy an apartment. Secondary sales for the 15 most popular housing estates fell 15 percent at the weekend from the previous weekend, according to Buggle Lau, chief analyst at Midland Holdings Ltd., the city’s biggest publicly traded realtor. The stamp duty on all properties above HK$2 million ($258,000) was raised to as much as 8.5 percent of the purchase price. Chief Executive Leung Chun-ying’s latest attempt to cool the city’s real estate market sent shares ... (full story)