HONG KONG – Chinese who spent more than ever on Hong Kong real estate in the first quarter of 2026 now face a hurdle to overcome as rules get stricter on wealthy people in the mainland taking cash overseas.Homebuyers from the mainland spent around HK$43 billion (S$7.02 billion) in Hong Kong in the three months through March, a record haul for that period, Midland Realty data show.While for years they have been a key cohort, this time around they are buying into a broader swathe of property, including two-bedroom apartments and chunks of office blocks. A shock move by China in…