Biotechnology companies are seeing record levels of innovation. Approvals of new medicines have held up despite staff turnover at the US Food and Drug Administration (FDA) regulator and large pharmaceutical companies, facing patent expiries on many of their biggest products, are acquiring biotech companies to replenish their pipelines. The catch is that the sector rewards specialist knowledge more than most others: a single trial result can move a share price by half in a day. The Biotech Growth