Aromatic infusions of fermented and aged Puer tea have been popular in China for centuries, but later generations of enthusiasts came to value its investment potential even more, dubbing it a “drinkable antique”.Chinese entrepreneurs and members of the country’s growing middle class long regarded the tea, produced in Yunnan province, as a wealth preservation investment rivalling stocks and real estate, but the market has come off the boil recently as the economy slows and investor appetite...