so far in 2022 there have been 25 trading days in which the hang seng index gained or lost more than 3 hong kong entered a bull market earlier this month—at least according to one common definition the city’s benchmark hang seng index surged 25 in the first half of november clearing the 20 hurdle that is traditionally used to define a bull market the sharp runup from its trough on oct 31—when the index touched its lowest level since april 2009—was fueled by signs that china is starting to shift away from its strict zerocovid policy that has hamstrung the world’s secondlargest economy moves by the chinese government to ease pressure on its limping property sector also gave investors reason for optimism