Hong Kong’s real estate market is gathering steam. Total transactions in Hong Kong’s property sector surged to a 24-year high in the first half, led by a bounce in residential assets, as investors piled into the market amid the economic recovery.The overall volume, including homes, commercial and industrial properties and car parking spaces, rose to HK$468.71 billion (US$60.4 billion) in the first six months, the most since HK$483.6 billion in the first half of 1997, according to data compiled…