Editorial companion

What stands out

Alex Edmans connects two things most viewers do not expect to sit in the same paragraph: the visceral effect of a football loss on trader hormones and the way those same emotions compound into market herds. He walks through concrete mechanisms, overconfidence after wins, punishment-avoidance after losses, and the difficulty of distinguishing skill from luck, and ties them to practical investor mistakes. The segment on how intangibles and misplaced confidence inflate valuations, especially around hot themes, is the clearest single moment: it explains why smart people keep buying high.