Labubu mania propelled Pop Mart's (9992.HK) stock to new heights, but gravity may be catching up. The toy company's "risk/reward profile [looks] less favorable," Kevin Yin, head of Asia consumer research at JPMorgan, wrote in a note to clients, adding, "We believe the valuation is priced for perfection." Pop Mart shares have soared 184% year to date and a staggering 427% over the past year, far outpacing the Hang Seng Index's (^HSI) 35% and 52% gains. However, it sank over 6% on Monday in Hong Kong tradi ...