In the finance world, a unicorn is a privately held start-up valued at more than ONE BILLION DOLLARS. That’s about £785 million.

A company’s value is measured by its market capitalisation – the total value of all the company’s shares.

Underweight / overweight

We all have an ideal weight range determined by our body mass index. Turns out the same is true for our investment portfolios.

A portfolio is overweight if it contains an excess amount of a single security. If the portfolio lacks a sufficient amount of a security (mainly shares or bonds), it is considered underweight ...