Johnson & Johnson’s experimental Covid-19 vaccine became the fourth to enter final-stage testing in the U.S. Wednesday. And AstraZeneca PLC entered final-stage testing in August for a vaccine it licensed from the University of Oxford. Johnson & Johnson shares added 0.2% Wednesday. Nikola Corp.Nikola might need a jump-start after another tumultuous week in what has already been a rocky month for the electric-truck maker. Nikola shares fell 19% Monday.

Source: Wall Street Journal September 25, 2020 23:15 UTC