Markets reacted dramatically yesterday (9 November) as Pfizer announced it had developed a Covid-19 vaccine which prevents 90 percent of cases.

Investors pivoted back towards stocks that have been unloved this year, in sectors which were hit hardest by the virus.

James Athey, an investment director at Aberdeen Standard Investments described some of the moves as “eye-watering”, as Pfizer and its collaborator BioNTech announced a vaccine even more effective than t...