Jasper Smith: Is now a good time to invest in growing companies?

In the US state of Kansas, $3m (£2.4m) will buy you one of a dozen doomsday-proof apartments in a renovated Cold War-era missile silo. The fully self-sufficient bunker can withstand a direct hit from a nuclear bomb, fits up to 10 people in each apartment and comes with food stores, appliances, LED screen ‘windows' to live-stream the outside world and even access to a communal swimming pool. Spend too much time reading the news these days and you might be tempted to reach for your chequebook. Brexit. The inverted US yield curve. A Chinese slowdown. We are constantly being bombarded with n...