While the rest of the world has cast its eyes eastwards in anticipation that an Asian exchange may prove the next target in the global race to snap up fast-growing bourses, research by US analyst firm Tabb Group suggests that the Hong Kong Stock Exchange is in fact the one with all the buying power.

According to Tabb Group, the HKEx has the highest purchasing power of all the major exchanges when calculated according to both price-to-earnings ratio and market capitalisation.