Stockwatch: Putting the CAR-T before the horse
This article was originally published in Scrip
One of the portfolio metrics that investors worry about is the degree to which the prices of their investments are correlated with each other. Statisticians call this multicolinearity. This is because you don't want to be invested in, for example, all gene therapy companies when the next gene therapy patient develops a cancer as a result of their treatment – a falling tide will ground all your ships on the same day.