You may invest in the company that just invented a vaccine for this virus. A US company called Moderna. More market madness from earnings season:Here are the trajectories of those two investments since 30 July 2021, five years ago. I want to emphasise that the cause is not merely that the cruise company was especially downtrodden in 2021. An investor who owned only the vaccine company would have wanted Moderna to hold the rest of the economy to ransom.