S & P 500 mechiri nke ka elu, ebe teknụzụ gara n\’ihu nloghachi ya na imeghe ebuka jikọtara n\’etiti ịbelata mgbochi ọrịa ka nsogbu Covid-19 na US rutere nke kachasị ala kemgbe ọrịa ahụ malitere. S & P 500 biliri…