Hong Kong recorded about 4.5 million visitor arrivals in July, up 3 per cent from a year earlier, as major international conventions boosted business travel while bad weather weighed on growth from mainland China, according to the Tourism Board.The board said on Monday that a series of major international meetings, incentives, conventions and exhibitions (MICE), including the 108th Lions International Convention and the technology exhibition LEAP East, helped drive an increase in business visitors and arrivals from some source markets.Mainland visitor numbers grew just 3 per cent year on year to about 3.61 million, which the board attributed mainly to...