(Bloomberg) - At the 4th Hong Kong International Wine & Spirit Fair, a smiling Wing Lung Bank employee hands me a colorful flyer about its new “Wine Financing Service.” Can’t afford a case of investment-grade Bordeaux? This Hong Kong-based bank will lend you as much as HK$5 million ($641,840) to buy, as long you select from its list of 50 top names. The response, says assistant general manager William Tang, has been overwhelming.