JPMorgan confirmed that a senior executive involved in the firm’s $2bn loss is to resign.

It’s been an embarrassing and costly time for the investment bank.

A single trader, Bruno Iksil — known as the London Whale — is believed to be responsible for very costly derivative trades.

Anchor Lisa Mullins speaks with Justin Urquhart-Stewart, director and co-founder of Seven Investment Management, about London’s “financial whales”.