Hong Kong should strive to attract more global companies to the local stock market, while entrenching its position as the main funding avenue for mainland Chinese entities, according to one of the UBS Group’s top China bankers. That will help broaden the investment options for traders and money managers in the city and around the region, said John Lee Chen-kwok, Hong Kong-based vice-chairman and head of Greater China global banking at the Swiss investment bank. “The New York Stock Exchange and London Stock Exchange have always positioned themselves not as a regional exchange, but as a global exchange,” he said…